@misc{comscore:07a,
  author = {{comScore/the Kelsey group}},
  title = {Online Consumer-Generated Reviews Have Significant Impact on Offline Purchase Behavior},
  year = {2007},
  note = {http://www.comscore.com/press/release.asp?press=1928}
}

@inproceedings{Abassi:07a,
  author = {Ahmed Abbasi},
  title = {Affect Intensity Analysis of Dark Web Forums},
  booktitle = {Proceedings of Intelligence and Security Informatics (ISI)},
  year = {2007},
  pages = {282--288}
}

@inproceedings{Adamic+Glance:05a,
  author = {Lada A. Adamic and Natalie Glance},
  title = {The Political Blogosphere and the 2004 {U.S}. Election: {Divided} They Blog},
  booktitle = {Proceedings of {LinkKDD}},
  year = {2005}
}

@inproceedings{Agarwal+Bhattacharyya:05a,
  author = {Alekh Agarwal and Pushpak Bhattacharyya},
  title = {Sentiment Analysis: A New Approach for Effective Use of Linguistic Knowledge and Exploiting Similarities in a Set of Documents to be Classified},
  booktitle = {Proceedings of the International Conference on Natural Language Processing (ICON)},
  year = {2005}
}

@inproceedings{Agrawal+al:03a,
  author = {Rakesh Agrawal and Sridhar Rajagopalan and Ramakrishnan Srikant and Yirong Xu},
  title = {Mining Newsgroups Using Networks Arising From Social Behavior},
  booktitle = {Proceedings of WWW},
  year = {2003},
  pages = {529--535}
}

@article{Airoldi+Bai+Padman:06a,
  author = {Edoardo M. Airoldi and Xue Bai and Rema Padman},
  title = {Markov blankets and meta-heuristic search: {Sentiment} extraction from unstructured text},
  journal = {Lecture Notes in Computer Science},
  year = {2006},
  volume = {3932 (Advances in Web Mining and Web Usage Analysis)},
  pages = {167--187}
}

@article{Akerlof:70a,
  author = {Akerlof, George A.},
  title = {The Market for ``Lemons'': {Quality} Uncertainty and the Market Mechanism},
  journal = {The Quarterly Journal of Economics},
  year = {1970},
  volume = {84},
  number = {3},
  pages = {488--500}
}

@inproceedings{AlMasum+Prendinger+Mitsuru:07a,
  author = {Shaikh Mostafa {Al Masum} and Helmut Prendinger and Mitsuru Ishizuka},
  title = {{SenseNet}: {A} linguistic tool to visualize numerical-valence based sentiment of textual data},
  booktitle = {Proceedings of the International Conference on Natural Language Processing (ICON)},
  year = {2007},
  pages = {147--152},
  note = {Poster}
}

@inproceedings{Allan:02a,
  author = {James Allan},
  editor = {James Allan (Ed.)},
  title = {Introduction to topic detection and tracking},
  booktitle = {Topic detection and tracking: Event-based information organization},
  publisher = {Kluwer Academic Publishers},
  year = {2002},
  pages = {1--16}
}

@inproceedings{Alm+Roth+Sproat:05a,
  author = {Cecilia Ovesdotter Alm and Dan Roth and Richard Sproat},
  title = {Emotions from text: machine learning for text-based emotion prediction},
  booktitle = {Proceedings of the Human Language Technology Conference and the Conference on Empirical Methods in Natural Language Processing (HLT/EMNLP)},
  year = {2005}
}

@article{Anagnostopoulos+Broder+Carmel:06a,
  author = {Aris Anagnostopoulos and Andrei Z. Broder and David Carmel},
  title = {Sampling Search-Engine Results},
  journal = {World Wide Web},
  year = {2006},
  volume = {9},
  number = {4},
  pages = {397-429}
}

@article{Ando+Zhang:05a,
  author = {Rie Kubota Ando and Tong Zhang},
  title = {A Framework for Learning Predictive Structures from Multiple Tasks and Unlabeled Data},
  journal = {Journal of Machine Learning Research},
  year = {2005},
  volume = {6},
  pages = {1817--1853}
}

@inproceedings{Andreevskaia+Bergler:06a,
  author = {Alina Andreevskaia and Sabine Bergler},
  title = {Mining {WordNet} For a Fuzzy Sentiment: {Sentiment} Tag Extraction From {WordNet} Glosses},
  booktitle = {Proceedings of the European Chapter of the Association for Computational Linguistics (EACL)},
  year = {2006}
}

@article{Antweiler+Frank:04a,
  author = {Werner Antweiler and Murray Z. Frank},
  title = {Is All That Talk Just Noise? {The} Information Content of Internet Stock Message Boards},
  journal = {Journal of Finance},
  year = {2004},
  volume = {59},
  number = {3},
  pages = {1259--1294}
}

@inproceedings{Archak+Ghose+Ipeirotis:07a,
  author = {Nikolay Archak and Anindya Ghose and Panagiotis Ipeirotis},
  title = {Show me the money! {Deriving} the Pricing Power of Product Features by Mining Consumer Reviews},
  booktitle = {Proceedings of the ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD)},
  year = {2007}
}

@inproceedings{Argamon+Koppel+Avneri:98b,
  author = {Shlomo Argamon-Engelson and Moshe Koppel and Galit Avneri},
  title = {Style-based text categorization: What Newspaper Am {I} Reading?},
  booktitle = {Proceedings of the AAAI Workshop on Text Categorization},
  year = {1998},
  pages = {1--4}
}

@article{Attali+Burstein:06a,
  author = {Yigal Attali and Jill Burstein},
  title = {Automated essay scoring with e-rater v.2},
  journal = {Journal of Technology, Learning, and Assessment},
  year = {2006},
  volume = {4},
  number = {3}
}

@inproceedings{Aue+Gamon:05a,
  author = {Anthony Aue and Michael Gamon},
  title = {Customizing Sentiment Classifiers to New Domains: A Case Study},
  booktitle = {Proceedings of Recent Advances in Natural Language Processing (RANLP)},
  year = {2005}
}

@inproceedings{Gamon+Aue:05a,
  author = {Anthony Aue and Michael Gamon},
  title = {Automatic identification of sentiment vocabulary: {Exploiting} low association with known sentiment terms},
  booktitle = {Proceedings of the ACL Workshop on Feature Engineering for Machine Learning in Natural Language Processing},
  year = {2005}
}

@inproceedings{Awerbuch+Kleinberg:05a,
  author = {Baruch Awerbuch and Robert Kleinberg},
  title = {Competitive collaborative learning},
  booktitle = {Proceedings of the Conference on Learning Theory (COLT)},
  year = {2005},
  pages = {233--248},
  note = {Journal version to appear in it Journal of Computer and System Sciences, special issue on computational learning theory}
}

@article{Bajari+Hortacsu:04a,
  author = {Patrick Bajari and Ali Horta\c{c}su},
  title = {Economic Insights from Internet Auctions},
  journal = {Journal of Economic Literature},
  year = {2004},
  volume = {42},
  number = {2},
  pages = {457--486}
}

@article{Bajari+Hortacsu:03a,
  author = {Patrick Bajari and Ali Horta\c{c}su},
  title = {The winner's curse, reserve prices, and endogenous entry: Empirical insights from {eBay} auctions},
  journal = {{RAND} Journal of Economics},
  year = {2003},
  volume = {34},
  number = {2},
  pages = {329--355}
}

@inproceedings{Baker+Fillmore+Lowe:98a,
  author = {Collin F. Baker and Charles J. Fillmore and John B. Lowe},
  title = {The {Berkeley} {FrameNet} project},
  booktitle = {Proceedings of COLING/ACL},
  year = {1998}
}

@book{Banfield:82a,
  author = {Ann Banfield},
  title = {Unspeakable sentences: Narration and representation in the language of fiction},
  publisher = {Routledge and Kegan Paul},
  year = {1982}
}

@inproceedings{Bansal+Cardie+Lee:08a,
  author = {Mohit Bansal and Claire Cardie and Lillian Lee},
  title = {The power of negative thinking: Exploiting label disagreement in the min-cut classification framework},
  booktitle = {Proceedings of the International Conference on Computational Linguistics (COLING)},
  year = {2008},
  note = {Poster paper}
}

@inproceedings{Bar-Haim+al:06a,
  author = {Roy Bar-Haim and Ido Dagan and Bill Dolan and Lisa Ferro and Danilo Giampiccolo and Bernardo Magnini and Idan Szpektor},
  title = {The Second {PASCAL} Recognising Textual Entailment Challenge},
  booktitle = {Proceedings of the Second {PASCAL} Challenges Workshop on Recognising Textual Entailment},
  year = {2006}
}

@inproceedings{Barzilay+Lee:03a,
  author = {Regina Barzilay and Lillian Lee},
  title = {Learning to Paraphrase: An Unsupervised Approach Using Multiple-Sequence Alignment},
  booktitle = {Proceedings of the Joint Human Language Technology/North American Chapter of the ACL Conference (HLT-NAACL)},
  year = {2003},
  pages = {16--23}
}

@inproceedings{Barzilay+McKeown:01a,
  author = {Regina Barzilay and Kathleen McKeown},
  title = {Extracting Paraphrases from a Parallel Corpus},
  booktitle = {Proceedings of the Association for Computational Linguistics (ACL)},
  year = {2001},
  pages = {50--57}
}

@article{Basuroy+Chatterjee+Ravid:03a,
  author = {Suman Basuroy and Subimal Chatterjee and S. Abraham Ravid},
  title = {How Critical Are Critical Reviews? The Box Office Effects of Film Critics, Star Power and Budgets},
  journal = {Journal of Marketing},
  year = {2003},
  volume = {67},
  number = {4},
  pages = {103--117}
}

@inproceedings{Bautin+Vijayarenu+Skiena:08a,
  author = {Mikhail Bautin and Lohit Vijayarenu and Steven Skiena},
  title = {International sentiment analysis for news and blogs},
  booktitle = {Proceedings of the International Conference on Weblogs and Social Media (ICWSM)},
  year = {2008}
}

@inproceedings{Beineke+al:04a,
  author = {Philip Beineke and Trevor Hastie and Christopher Manning and Shivakumar Vaithyanathan},
  title = {Exploring Sentiment Summarization},
  booktitle = {Proceedings of the {AAAI} Spring Symposium on Exploring Attitude and Affect in Text: Theories and Applications},
  year = {2004}
}

@inproceedings{Benamara+al:07a,
  author = {Farah Benamara and Carmine Cesarano and Antonio Picariello and Diego Reforgiato and V. S. Subrahmanian},
  title = {Sentiment Analysis: Adjectives and Adverbs are Better than Adjectives Alone},
  booktitle = {Proceedings of the International Conference on Weblogs and Social Media (ICWSM)},
  year = {2007},
  note = {Short paper}
}

@misc{Berger+Sorenson+Rasmussen:07a,
  author = {Jonah Berger and Alan T. Sorensen and Scott J. Rasmussen},
  title = {Negative Publicity: {When} is Negative a Positive?},
  year = {2007},
  url = {http://www.stanford.edu/~asorense/papers/Negative_Publicity.pdf}
}

@inproceedings{Bestgen+Fairon+Kerves:04a,
  author = {Yves Bestgen and C{\'e}drick Fairon and Laurent Kerves},
  title = {Un barom{\`e}tre affectif effectif: Corpus de {r\'ef\'erence} et {m\'ethode} pour {d\'eterminer} la valence affective de phrases},
  booktitle = {Journ{\'e}es internationales d'analyse statistique des donn{\'e}s textuelles (JADT)},
  year = {2004},
  pages = {182--191}
}

@inproceedings{Bethard+al:04a,
  author = {Steven Bethard and Hong Yu and Ashley Thornton and Vasileios Hatzivassiloglou and Dan Jurafsky},
  title = {Automatic Extraction of Opinion Propositions and their Holders},
  booktitle = {Proceedings of the AAAI Spring Symposium on Exploring Attitude and Affect in Text},
  year = {2004}
}

@book{Biber:88a,
  author = {Douglas Biber},
  title = {Variation across Speech and Writing},
  publisher = {Cambridge University Press},
  year = {1988}
}

@article{Blei+Ng+Jordan:03a,
  author = {David M. Blei and Andrew Y. Ng and Michael I. Jordan},
  title = {Latent {Dirichlet} Allocation},
  journal = {Journal of Machine Learning Research},
  year = {2003},
  volume = {3},
  pages = {993--1022}
}

@inproceedings{Blitzer+Dredze+Pereira:07a,
  author = {John Blitzer and Mark Dredze and Fernando Pereira},
  title = {Biographies, {Bollywood}, Boom-boxes and Blenders: Domain Adaptation for Sentiment Classification},
  booktitle = {Proceedings of the Association for Computational Linguistics (ACL)},
  year = {2007}
}

@inproceedings{Branavan+al:08a,
  author = {S. R. K. Branavan and Harr Chen and Jacob Eisenstein and Regina Barzilay},
  title = {Learning document-level semantic properties from free-text annotations},
  booktitle = {Proceedings of the Association for Computational Linguistics (ACL)},
  year = {2008}
}

@inproceedings{Breck+Cardie:04a,
  author = {Eric Breck and Claire Cardie},
  title = {Playing the Telephone Game: Determining the Hierarchical Structure of Perspective and Speech Expressions},
  booktitle = {Proceedings of the International Conference on Computational Linguistics (COLING)},
  year = {2004}
}

@inproceedings{Breck+Choi+Cardie:07a,
  author = {Eric Breck and Yejin Choi and Claire Cardie},
  title = {Identifying expressions of opinion in context},
  booktitle = {Proceedings of the International Joint Conference on Artificial Intelligence (IJCAI)},
  year = {2007}
}

@inproceedings{Brin+Page:98a,
  author = {Sergey Brin and Lawrence Page},
  title = {The Anatomy of a Large-Scale Hypertextual Web Search Engine},
  booktitle = {Proceedings of the 7th International World Wide Web Conference},
  year = {1998},
  pages = {107--117}
}

@article{Bruce+Wiebe:99a,
  author = {Rebecca F. Bruce and Janyce M. Wiebe},
  title = {Recognizing subjectivity: A case study in manual tagging},
  journal = {Natural Language Engineering},
  year = {1999},
  volume = {5},
  number = {2}
}

@inproceedings{Burgoon+al:08a,
  author = {Judee K. Burgoon and J. P. Blair and Tiantian Qin and Jay F. {Nunamaker, Jr.}},
  title = {Detecting Deception through Linguistic Analysis},
  booktitle = {Proceedings of Intelligence and Security Informatics (ISI)},
  series = {Lecture Notes in Computer Science},
  year = {2008},
  number = {2665},
  pages = {958}
}

@misc{Cabral+Hortascu:06a,
  author = {Lu\'{i}s Cabral and Ali Horta\c{c}su},
  title = {The Dynamics of Seller Reputation: {Theory} and Evidence from {eBay}},
  year = {2006},
  url = {http://pages.stern.nyu.edu/~lcabral/workingpapers/CabralHortacsu_Mar06.pdf}
}

@phdthesis{Carbonell:79a,
  author = {Jaime Carbonell},
  title = {Subjective Understanding: Computer Models of Belief Systems},
  school = {Yale},
  year = {1979}
}

@article{Cardie:97a,
  author = {Claire Cardie},
  title = {Empirical Methods in Information Extraction},
  journal = {AI Magazine},
  year = {1997},
  volume = {18},
  number = {4},
  pages = {65--79}
}

@inproceedings{Cardie+al:06a,
  author = {Claire Cardie and Cynthia Farina and Thomas Bruce and Erica Wagner},
  title = {Using Natural Language Processing to Improve {eRulemaking}},
  booktitle = {Proceedings of Digital Government Research {(dg.o)}},
  year = {2006}
}

@inproceedings{Cardie+al:03a,
  author = {Claire Cardie and Janyce Wiebe and Theresa Wilson and Diane Litman},
  title = {Combining Low-Level and Summary Representations of Opinions for Multi-Perspective Question Answering},
  booktitle = {Proceedings of the AAAI Spring Symposium on New Directions in Question Answering},
  year = {2003},
  pages = {20--27}
}

@inproceedings{Carenini+Ng+Pauls:06a,
  author = {Carenini, Giuseppe and Ng, Raymond and Pauls, Adam},
  title = {Multi-Document Summarization of Evaluative Text},
  booktitle = {Proceedings of the European Chapter of the Association for Computational Linguistics (EACL)},
  year = {2006},
  pages = {305--312}
}

@inproceedings{Carenini+Ng+Pauls:06b,
  author = {Carenini, Giuseppe and Ng, Raymond T. and Pauls, Adam},
  title = {Interactive multimedia summaries of evaluative text},
  booktitle = {Proceedings of Intelligent User Interfaces (IUI)},
  publisher = {ACM Press},
  year = {2006},
  pages = {124--131}
}

@article{Cartwright+Harary:56a,
  author = {Dorwin Cartwright and Frank Harary},
  title = {Structural balance: {A} generalization of {Heider's} theory},
  journal = {Psychological Review},
  year = {1956},
  volume = {63},
  number = {5},
  pages = {277--293}
}

@inproceedings{Chaovalit+Zhou:05a,
  author = {Pimwadee Chaovalit and Lina Zhou},
  title = {Movie review mining: A comparison between supervised and unsupervised classification approaches},
  booktitle = {Proceedings of the Hawaii International Conference on System Sciences (HICSS)},
  year = {2005}
}

@inproceedings{Chen+Wu+Yoon:04a,
  author = {Pei-Yu Sharon Chen and {Shin-yi} Wu and Jungsun Yoon},
  title = {The Impact of Online Recommendations and Consumer Feedback on Sales},
  booktitle = {International Conference on Information Systems (ICIS)},
  year = {2004},
  pages = {711--724}
}

@article{Chen+Xie:08a,
  author = {Yubo Chen and Jinhong Xie},
  title = {Online Consumer Review: {Word}-of-mouth as A New Element of Marketing Communication Mix},
  journal = {Management Science},
  year = {2008},
  volume = {54},
  number = {3},
  pages = {477--491}
}

@inproceedings{Chesley+al:06a,
  author = {Paula Chesley and Bruce Vincent and Li Xu and Rohini Srihari},
  title = {Using Verbs and Adjectives to Automatically Classify Blog Sentiment},
  booktitle = {AAAI Symposium on Computational Approaches to Analysing Weblogs (AAAI-CAAW)},
  year = {2006},
  pages = {27--29}
}

@article{Chevalier+Mayzlin:06a,
  author = {Judith A. Chevalier and Dina Mayzlin},
  title = {The effect of word of mouth on sales: {Online} book reviews},
  journal = {Journal of Marketing Research},
  year = {2006},
  volume = {43},
  number = {3},
  pages = {345--354}
}

@inproceedings{Choi+Breck+Cardie:06a,
  author = {Yejin Choi and Eric Breck and Claire Cardie},
  title = {Joint Extraction of Entities and Relations for Opinion Recognition},
  booktitle = {Proceedings of the Conference on Empirical Methods in Natural Language Processing (EMNLP)},
  year = {2006}
}

@inproceedings{Choi+al:05a,
  author = {Yejin Choi and Claire Cardie and Ellen Riloff and Siddharth Patwardhan},
  title = {Identifying Sources of Opinions with Conditional Random Fields and Extraction Patterns},
  booktitle = {Proceedings of the Human Language Technology Conference and the Conference on Empirical Methods in Natural Language Processing (HLT/EMNLP)},
  year = {2005}
}

@article{Clemons+Gao+Hitt:06a,
  author = {Eric K. Clemons and Guodong ``Gordon'' Gao and Lorin M. Hitt},
  title = {When Online Reviews Meet Hyperdifferentiation: A Study of the Craft Beer Industry},
  journal = {Journal of Management Information Systems},
  year = {2006},
  volume = {23},
  number = {2},
  pages = {149--171}
}

@inproceedings{Conrad+Schilder:07a,
  author = {Jack G. Conrad and Frank Schilder},
  title = {Opinion mining in legal blogs},
  booktitle = {Proceedings of the International Conference on Artificial Intelligence and Law (ICAIL)},
  publisher = {ACM},
  year = {2007},
  pages = {231--236}
}

@inproceedings{Das+Chen:01a,
  author = {Sanjiv Das and Mike Chen},
  title = {Yahoo! for {Amazon}: Extracting Market Sentiment from Stock Message Boards},
  booktitle = {Proceedings of the Asia Pacific Finance Association Annual Conference (APFA)},
  year = {2001}
}

@article{Das+Chen:07a,
  author = {Sanjiv R. Das and Mike Y. Chen},
  title = {Yahoo! for {Amazon}: Sentiment extraction from small talk on the {Web}},
  journal = {Management Science},
  year = {2007},
  volume = {53},
  number = {9},
  pages = {1375--1388}
}

@article{Das+Tufano+DeAsisMartinezJerez:05a,
  author = {Sanjiv Ranjan Das and Peter Tufano and Francisco {de Asis Martinez-Jerez}},
  title = {{eInformation}: A Clinical Study of Investor Discussion and Sentiment},
  journal = {Financial Management},
  year = {2005},
  volume = {34},
  number = {3},
  pages = {103--137}
}

@inproceedings{Dave+Lawrence+Pennock:03a,
  author = {Kushal Dave and Steve Lawrence and David M. Pennock},
  title = {Mining the Peanut Gallery: Opinion Extraction and Semantic Classification of Product Reviews},
  booktitle = {Proceedings of WWW},
  year = {2003},
  pages = {519--528}
}

@article{David+Pinch:06a,
  author = {Shay David and Trevor John Pinch},
  title = {Six Degrees of Reputation: {The} Use and Abuse of Online Review and Recommendation Systems},
  journal = {First Monday},
  year = {2006},
  note = {Special Issue on Commercial Applications of the Internet}
}

@article{Dellarocas:03a,
  author = {Chrysanthos Dellarocas},
  title = {The Digitization of Word-of-Mouth: {Promise} and Challenges of Online Reputation Systems},
  journal = {Management Science},
  year = {2003},
  volume = {49},
  number = {10},
  pages = {1407--1424},
  note = {Special issue on e-business and management science}
}

@article{Dellarocas+Zhang+Awad:07a,
  author = {Chrysanthos Dellarocas and Xiaoquan (Michael) Zhang and Neveen F. Awad},
  title = {Exploring the Value of Online Product Ratings in Revenue Forecasting: The Case of Motion Pictures},
  journal = {Journal of Interactive Marketing},
  year = {2007},
  volume = {21},
  number = {4},
  pages = {23--45}
}

@inproceedings{Devitt+Ahmad:07a,
  author = {Ann Devitt and Khurshid Ahmad},
  title = {Sentiment Analysis in Financial News: A Cohesion-based Approach},
  booktitle = {Proceedings of the Association for Computational Linguistics (ACL)},
  year = {2007},
  pages = {984--991}
}

@article{Dewally:03a,
  author = {Micha{\"{e}}l Dewally},
  title = {Internet Investment Advice: {Investing} with a Rock of Salt},
  journal = {Financial Analysts Journal},
  year = {2003},
  volume = {59},
  number = {4},
  pages = {65--77}
}

@article{Dewally+Ederington:06a,
  author = {Micha{\"{e}}l Dewally and Louis Ederington},
  title = {Reputation, Certification, Warranties, and Information as Remedies for Seller-Buyer Information Asymmetries: Lessons from the Online Comic Book Market},
  journal = {Journal of Business},
  year = {2006},
  volume = {79},
  number = {2},
  pages = {693--730}
}

@article{Dewan+Hsu:04a,
  author = {Sanjeev Dewan and Vernon Hsu},
  title = {Adverse Selection In Electronic Markets: Evidence From Online Stamp Auctions},
  journal = {Journal of Industrial Economics},
  year = {2004},
  volume = {52},
  number = {4},
  pages = {497--516}
}

@article{Diamond:89a,
  author = {Douglas W. Diamond},
  title = {Reputation acquisition in debt markets},
  journal = {Journal of Political Economy},
  year = {1989},
  volume = {97},
  number = {4},
  pages = {828--862}
}

@inproceedings{Ding+Liu+Yu:08a,
  author = {Xiaowen Ding and Bing Liu and Philip S. Yu},
  title = {A Holistic Lexicon-Based Approach to Opinion Mining},
  booktitle = {Proceedings of the Conference on Web Search and Web Data Mining (WSDM)},
  year = {2008}
}

@inproceedings{Dini+Mazzini:02a,
  author = {Luca Dini and Giampaolo Mazzini},
  title = {Opinion classification through Information Extraction},
  booktitle = {Proceedings of the Conference on Data Mining Methods and Databases for Engineering, Finance and Other Fields (Data Mining)},
  year = {2002},
  pages = {299--310}
}

@misc{Duan+Gu+Whinston:05a,
  author = {Duan, Wenjing and Gu, Bin and Whinston, Andrew B.},
  title = {Do Online Reviews Matter? - {An} Empirical Investigation of Panel Data},
  year = {2005},
  note = {http://ssrn.com/paper=616262. Version as of January}
}

@article{Eaton:07a,
  author = {David H. Eaton},
  title = {The Impact of Reputation Timing and Source on Auction Outcomes},
  journal = {The B. E. Journal of Economic Analysis \& Policy},
  year = {2007},
  volume = {7},
  number = {1}
}

@article{Eaton:05a,
  author = {David H. Eaton},
  title = {Valuing Information: Evidence from Guitar Auctions on {eBay}},
  journal = {Journal of Applied Economics and Policy},
  year = {2005},
  volume = {24},
  number = {1},
  pages = {1--19},
  note = {Kentucky Economic Association (KEA) Best Paper Award}
}

@inproceedings{Efron:04a,
  author = {Miles Efron},
  title = {Cultural Orientation: Classifying Subjective Documents by Cociation [sic] Analysis},
  booktitle = {Proceedings of the AAAI Fall Symposium on Style and Meaning in Language, Art, Music, and Design},
  year = {2004},
  pages = {41--48}
}

@inproceedings{Eguchi+Lavrenko:06a,
  author = {Koji Eguchi and Victor Lavrenko},
  title = {Sentiment Retrieval using Generative Models},
  booktitle = {Proceedings of the Conference on Empirical Methods in Natural Language Processing (EMNLP)},
  year = {2006},
  pages = {345--354}
}

@inproceedings{Eguchi+Shah:06a,
  author = {Koji Eguchi and Chirag Shah},
  title = {Opinion retrieval experiments using generative models: Experiments for the {TREC} 2006 Blog Track},
  booktitle = {Proceedings of TREC},
  year = {2006}
}

@book{Ekman:82a,
  author = {Paul Ekman},
  title = {Emotion in the Human Face},
  publisher = {Cambridge University Press},
  year = {1982},
  edition = {Second}
}

@article{Eliashberg+Shugan:97a,
  author = {Jehoshua Eliashberg and Steve M. Shugan},
  title = {Film critics: Influencers or predictors?},
  journal = {Journal of Marketing},
  year = {1997},
  volume = {61},
  number = {2},
  pages = {68--78}
}

@mastersthesis{Engstroem:04a,
  author = {Charlotta Engstr{\"o}m},
  title = {Topic dependence in sentiment classification},
  school = {University of Cambridge},
  year = {2004}
}

@inproceedings{Esuli+Sebastiani:07a,
  author = {Andrea Esuli and Fabrizio Sebastiani},
  title = {PageRanking WordNet Synsets: An Application to Opinion Mining},
  booktitle = {Proceedings of the Association for Computational Linguistics (ACL)},
  year = {2007}
}

@inproceedings{Esuli+Sebastiani:06a,
  author = {Andrea Esuli and Fabrizio Sebastiani},
  title = {Determining Term Subjectivity and Term Orientation for Opinion Mining},
  booktitle = {Proceedings of the European Chapter of the Association for Computational Linguistics (EACL)},
  year = {2006}
}

@inproceedings{Esuli+Sebastiani:06b,
  author = {Andrea Esuli and Fabrizio Sebastiani},
  title = {{SentiWordNet}: A Publicly Available Lexical Resource for Opinion Mining},
  booktitle = {Proceedings of Language Resources and Evaluation (LREC)},
  year = {2006}
}

@inproceedings{Esuli+Sebastiani:05a,
  author = {Andrea Esuli and Fabrizio Sebastiani},
  title = {Determining the semantic orientation of terms through gloss analysis},
  booktitle = {Proceedings of the ACM SIGIR Conference on Information and Knowledge Management (CIKM)},
  year = {2005}
}

@inproceedings{Evans+al:07a,
  author = {David Kirk Evans and Lun-Wei Ku and Yohei Seki and Hsin-Hsi Chen and Noriko Kando},
  title = {Opinion Analysis Across Languages: An Overview of and Observations from the {NTCIR6} Opinion Analysis Pilot Task},
  booktitle = {Proceedings of the Workshop on Cross-Language Information Processing},
  series = {Lecture Notes in Computer Science},
  year = {2007},
  volume = {4578 (Applications of Fuzzy Sets Theory)},
  pages = {456--463}
}

@inproceedings{Fader+al:07a,
  author = {Anthony Fader and Dragomir R. Radev and Michael H. Crespin and Burt L. Monroe and Kevin M. Quinn and Michael Colaresi},
  title = {{MavenRank}: Identifying Influential Members of the {US Senate} Using Lexical Centrality},
  booktitle = {Proceedings of the Conference on Empirical Methods in Natural Language Processing (EMNLP)},
  year = {2007}
}

@inproceedings{Feng+al:06a,
  author = {Donghui Feng and Erin Shaw and Jihie Kim and Eduard Hovy},
  title = {Learning to detect conversation focus of threaded discussions},
  booktitle = {Proceedings of the Joint Human Language Technology/North American Chapter of the ACL Conference (HLT-NAACL)},
  year = {2006},
  pages = {208--215}
}

@article{Finn+Kushmerick:06a,
  author = {Aidan Finn and Nicholas Kushmerick},
  title = {Learning to classify documents according to genre},
  journal = {Journal of the American Society for Information Science and Technology (JASIST)},
  year = {2006},
  volume = {7},
  number = {5},
  note = {Special issue on computational analysis of style}
}

@inproceedings{Finn+Kushmerick+Smyth:02a,
  author = {Aidan Finn and Nicholas Kushmerick and Barry Smyth},
  title = {Genre classification and domain transfer for information filtering},
  booktitle = {Proceedings of the 24th BCS-IRSG European Colloquium on IR Research: Advances in Information Retrieval},
  series = {Lecture Notes in Computer Science},
  year = {2002},
  number = {2291},
  pages = {353--362}
}

@inproceedings{Foltz+Laham+Landauer:99a,
  author = {Peter W. Foltz and Darrell Laham and Thomas K. Landauer},
  title = {Automated essay scoring: Applications to education technology},
  booktitle = {Proceedings of {ED-MEDIA}},
  year = {1999},
  pages = {939--944}
}

@article{Forman+Ghose+Wiesenfeld:08a,
  author = {Chris Forman and Anindya Ghose and Batia Wiesenfeld},
  title = {Examining the Relationship Between Reviews and Sales: {The} Role of Reviewer Identity Disclosure in Electronic Markets},
  journal = {Information Systems Research},
  year = {2008},
  volume = {19},
  number = {3},
  note = {Special issue on the interplay between digital and social networks}
}

@article{Forman:03a,
  author = {George Forman},
  title = {An Extensive Empirical Study of Feature Selection Metrics for Text Classification},
  journal = {Journal of Machine Learning Research},
  year = {2003},
  volume = {3},
  pages = {1289-1305}
}

@inproceedings{Fukuhara+Nakagawa+Nishida:07a,
  author = {Tomohiro Fukuhara and Hiroshi Nakagawa and Toyoaki Nishida},
  title = {Understanding sentiment of people from news articles: {Temporal sentiment analysis of social events}},
  booktitle = {Proceedings of the International Conference on Weblogs and Social Media (ICWSM)},
  year = {2007}
}

@inproceedings{Gamon:04a,
  author = {Michael Gamon},
  title = {Sentiment classification on customer feedback data: noisy data, large feature vectors, and the role of linguistic analysis},
  booktitle = {Proceedings of the International Conference on Computational Linguistics (COLING)},
  year = {2004}
}

@inproceedings{Gamon+al:05a,
  author = {Gamon, Michael and Aue, Anthony and Corston-Oliver, Simon and Ringger, Eric},
  title = {Pulse: {Mining} Customer Opinions from Free Text},
  booktitle = {Proceedings of the International Symposium on Intelligent Data Analysis (IDA)},
  series = {Lecture Notes in Computer Science},
  year = {2005},
  number = {3646},
  pages = {121--132}
}

@article{Ghani+al:06a,
  author = {Rayid Ghani and Katharina Probst and Yan Liu and Marko Krema and Andrew Fano},
  title = {Text mining for product attribute extraction},
  journal = {SIGKDD Explorations Newsletter},
  publisher = {ACM},
  year = {2006},
  volume = {8},
  number = {1},
  pages = {41--48}
}

@inproceedings{Ghose+Ipeirotis:07a,
  author = {Anindya Ghose and Panagiotis G. Ipeirotis},
  title = {Designing Novel Review Ranking Systems: Predicting Usefulness and Impact of Reviews},
  booktitle = {Proceedings of the International Conference on Electronic Commerce (ICEC)},
  year = {2007},
  note = {Invited paper}
}

@inproceedings{Ghose+Ipeirotis+Sundararajan:07a,
  author = {Anindya Ghose and Panagiotis G. Ipeirotis and Arun Sundararajan},
  title = {Opinion Mining using Econometrics: A Case Study on Reputation Systems},
  booktitle = {Proceedings of the Association for Computational Linguistics (ACL)},
  year = {2007}
}

@inproceedings{Godbole+Srinivasaiah+Skiena:07a,
  author = {Namrata Godbole and Manjunath Srinivasaiah and Steven Skiena},
  title = {Large-Scale Sentiment Analysis for News and Blogs},
  booktitle = {Proceedings of the International Conference on Weblogs and Social Media (ICWSM)},
  year = {2007}
}

@inproceedings{Goldberg+Zhu:06a,
  author = {Andrew B. Goldberg and Jerry Zhu},
  title = {Seeing stars when there aren't many stars: {Graph-based} semi-supervised learning for sentiment categorization},
  booktitle = {TextGraphs: HLT/NAACL Workshop on Graph-based Algorithms for Natural Language Processing},
  year = {2006}
}

@inproceedings{Goldberg+Zhu+Wright:07a,
  author = {Andrew B. Goldberg and Jerry Zhu and Stephen Wright},
  title = {Dissimilarity in Graph-Based Semi-Supervised Classification},
  booktitle = {Artificial Intelligence and Statistics (AISTATS)},
  year = {2007}
}

@phdthesis{Greene:07a,
  author = {Stephan Greene},
  title = {Spin: Lexical Semantics, Transitivity, and the Identification of Implicit Sentiment},
  school = {University of Maryland},
  year = {2007}
}

@inproceedings{Grefenstette+Qu+Shanahan+Evans:04a,
  author = {Gregory Grefenstette and Yan Qu and James G. Shanahan and David A. Evans},
  title = {Coupling Niche Browsers and Affect Analysis for an Opinion Mining Application},
  booktitle = {Proceedings of Recherche d'Information Assist{\'e}e par Ordinateur (RIAO)},
  year = {2004}
}

@inproceedings{Gregory+al:06a,
  author = {Gregory, Michelle L. and Chinchor, Nancy and Whitney, Paul and Carter, Richard and Hetzler, Elizabeth and Turner, Alan},
  title = {User-directed Sentiment Analysis: {Visualizing} the Affective Content of Documents},
  booktitle = {Proceedings of the Workshop on Sentiment and Subjectivity in Text},
  publisher = {Association for Computational Linguistics},
  year = {2006},
  pages = {23--30}
}

@misc{Gu+al:06a,
  author = {Bin Gu and Prabhudev Konana and Alex Liu and Balaji Rajagopalan and Joydeep Ghosh},
  title = {Predictive Value of Stock Message Board Sentiments},
  year = {2006}
}

@inproceedings{Guha+al:04a,
  author = {Ramanathan V. Guha and Ravi Kumar and Prabhakar Raghavan and Andrew Tomkins},
  title = {Propagation of trust and distrust},
  booktitle = {Proceedings of WWW},
  year = {2004},
  pages = {403--412}
}

@inproceedings{Hagedorn+Ciaramita+Atserias:07a,
  author = {Bennett A. Hagedorn and Massimiliano Ciaramita and Jordi Atserias},
  title = {World knowledge in broad-coverage information filtering},
  booktitle = {Proceedings of the ACM Special Interest Group on Information Retrieval (SIGIR)},
  year = {2007},
  note = {Poster paper}
}

@inproceedings{Hancock+al:05a,
  author = {Jeffrey T. Hancock and Lauren Curry and Saurabh Goorha and Michael Woodworth},
  title = {Automated Linguistic Analysis of Deceptive and Truthful Synchronous Computer-Mediated Communication},
  booktitle = {Proceedings of the Hawaii International Conference on System Sciences (HICSS)},
  year = {2005},
  pages = {22c}
}

@misc{Hankin:07a,
  author = {Lisa Hankin},
  title = {The effects of user reviews on online purchasing behavior across multiple product categories},
  year = {2007},
  note = {http://www.ischool.berkeley.edu/files/lhankin_report.pdf}
}

@inproceedings{Hatzivassiloglou+McKeown:97a,
  author = {Vasileios Hatzivassiloglou and Kathleen McKeown},
  title = {Predicting the Semantic Orientation of Adjectives},
  booktitle = {Proceedings of the Joint ACL/EACL Conference},
  year = {1997},
  pages = {174--181}
}

@inproceedings{Hatzivassiloglou+Wiebe:00a,
  author = {Vasileios Hatzivassiloglou and Janyce Wiebe},
  title = {Effects of Adjective Orientation and Gradability on Sentence Subjectivity},
  booktitle = {Proceedings of the International Conference on Computational Linguistics (COLING)},
  year = {2000}
}

@incollection{Hearst:92a,
  author = {Marti Hearst},
  editor = {Paul Jacobs (Ed.)},
  title = {Direction-Based Text Interpretation as an Information Access Refinement},
  booktitle = {Text-Based Intelligent Systems},
  publisher = {Lawrence Erlbaum Associates},
  year = {1992},
  pages = {257--274}
}

@article{Higashinaka+Walker+Prasad:07a,
  author = {Ryuichiro Higashinaka and Marilyn Walker and Rashmi Prasad},
  title = {Learning to Generate Naturalistic Utterances Using Reviews in Spoken Dialogue Systems},
  journal = {ACM Transactions on Speech and Language Processing (TSLP)},
  year = {2007}
}

@misc{Hitlin+Rainie:04a,
  author = {Paul Hitlin and Lee Rainie},
  title = {The Use of Online Reputation and Rating Systems},
  year = {2004}
}

@misc{Hoffman:08a,
  author = {Thomas Hoffman},
  title = {Online reputation management is hot --- but is it ethical?},
  year = {2008}
}

@inproceedings{Hofmann:99a,
  author = {Thomas Hofmann},
  title = {Probabilistic latent semantic indexing},
  booktitle = {Proceedings of SIGIR},
  year = {1999},
  pages = {50--57}
}

@unpublished{Hopkins+King:07a,
  author = {Daniel Hopkins and Gary King},
  title = {Extracting Systematic Social Science Meaning from Text},
  year = {2007},
  note = {Manuscript available at http://gking.harvard.edu/files/words.pdf, 2007 version was the one most recently consulted}
}

@misc{Horrigan:08a,
  author = {John A. Horrigan},
  title = {Online shopping},
  year = {2008}
}

@article{Houser+Wooders:06a,
  author = {Daniel Houser and John Wooders},
  title = {Reputation in Auctions: Theory, and Evidence from {eBay}},
  journal = {Journal of Economics and Management Strategy},
  year = {2006},
  volume = {15},
  pages = {252--369}
}

@inproceedings{Hu+Liu:04a,
  author = {Minqing Hu and Bing Liu},
  title = {Mining Opinion Features in Customer Reviews},
  booktitle = {Proceedings of AAAI},
  year = {2004},
  pages = {755-760}
}

@inproceedings{Hu+Liu:04b,
  author = {Minqing Hu and Bing Liu},
  title = {Mining and summarizing customer reviews},
  booktitle = {Proceedings of the ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD)},
  year = {2004},
  pages = {168-177}
}

@inproceedings{Hu+Sun+Lim:07a,
  author = {Meishan Hu and Aixin Sun and Ee-Peng Lim},
  title = {Comments-oriented blog summarization by sentence extraction},
  booktitle = {Proceedings of the ACM SIGIR Conference on Information and Knowledge Management (CIKM)},
  year = {2007},
  pages = {901--904},
  note = {Poster paper}
}

@inproceedings{Hu+Pavlou+Zhang:06a,
  author = {Nan Hu and Paul A. Pavlou and Jennifer Zhang},
  title = {Can online reviews reveal a product's true quality?: empirical findings and analytical modeling of Online word-of-mouth communication},
  booktitle = {Proceedings of Electronic Commerce (EC)},
  publisher = {ACM},
  year = {2006},
  pages = {324--330}
}

@inproceedings{Huettner+Subasic:00a,
  author = {Alison Huettner and Pero Subasic},
  title = {Fuzzy Typing for Document Management},
  booktitle = {{ACL} 2000 Companion Volume: Tutorial Abstracts and Demonstration Notes},
  year = {2000},
  pages = {26--27}
}

@inproceedings{Hurst+Nigam:04a,
  author = {Matthew Hurst and Kamal Nigam},
  title = {Retrieving Topical Sentiments from Online Document Collections},
  booktitle = {Document Recognition and Retrieval XI},
  year = {2004},
  pages = {27--34}
}

@book{Jacquemin:01a,
  author = {Christian Jacquemin},
  title = {Spotting and Discovering Terms through Natural Language Processing},
  publisher = {MIT Press},
  year = {2001}
}

@article{Jin+Kato:06a,
  author = {Ginger Jin and Andrew Kato},
  title = {Price, Quality and Reputation: Evidence from an Online Field Experiment},
  journal = {The {RAND} Journal of Economics},
  year = {2006},
  volume = {37},
  number = {4}
}

@inproceedings{Jin+al:07a,
  author = {Xin Jin and Ying Li and Teresa Mah and Jie Tong},
  title = {Sensitive Webpage Classification for Content Advertising},