Journal of the American Society for Information Science and Technology
ACII'11 Proceedings of the 4th international conference on Affective computing and intelligent interaction - Volume Part I
What and how children search on the web
Proceedings of the 20th ACM international conference on Information and knowledge management
Answers, not links: extracting tips from yahoo! answers to address how-to web queries
Proceedings of the fifth ACM international conference on Web search and data mining
A large-scale sentiment analysis for Yahoo! answers
Proceedings of the fifth ACM international conference on Web search and data mining
Deciphering word-of-mouth in social media: Text-based metrics of consumer reviews
ACM Transactions on Management Information Systems (TMIS)
Commenting on YouTube videos: From guatemalan rock to El Big Bang
Journal of the American Society for Information Science and Technology
Sentiment strength detection for the social web
Journal of the American Society for Information Science and Technology
Twitter, MySpace, Digg: Unsupervised Sentiment Analysis in Social Media
ACM Transactions on Intelligent Systems and Technology (TIST)
Combining lexicon and learning based approaches for concept-level sentiment analysis
Proceedings of the First International Workshop on Issues of Sentiment Discovery and Opinion Mining
PIRPO: an algorithm to deal with polarity in portuguese online reviews from the accommodation sector
NLDB'12 Proceedings of the 17th international conference on Applications of Natural Language Processing and Information Systems
Identifying the semantic orientation of terms using S-HAL for sentiment analysis
Knowledge-Based Systems
Mining web query logs to analyze political issues
Proceedings of the 3rd Annual ACM Web Science Conference
Learning for microblogs with distant supervision: political forecasting with Twitter
EACL '12 Proceedings of the 13th Conference of the European Chapter of the Association for Computational Linguistics
An interdisciplinary VR-architecture for 3D chatting with non-verbal communication
EGVE - JVRC'11 Proceedings of the 17th Eurographics conference on Virtual Environments & Third Joint Virtual Reality
A generalised hybrid architecture for NLP
HYBRID '12 Proceedings of the Workshop on Innovative Hybrid Approaches to the Processing of Textual Data
Political polarization and popularity in online participatory media: an integrated approach
Proceedings of the first edition workshop on Politics, elections and data
Twitter user behavior understanding with mood transition prediction
Proceedings of the 2012 workshop on Data-driven user behavioral modelling and mining from social media
Modeling online collective emotions
Proceedings of the 2012 workshop on Data-driven user behavioral modelling and mining from social media
Analysis of travel review data from reader's point of view
WASSA '12 Proceedings of the 3rd Workshop in Computational Approaches to Subjectivity and Sentiment Analysis
Sentiment-focused web crawling
Proceedings of the 21st ACM international conference on Information and knowledge management
Modelling emotional trajectories of individuals in an online chat
MATES'12 Proceedings of the 10th German conference on Multiagent System Technologies
Text mining for wellbeing: selecting stories using semantic and pragmatic features
ICANN'12 Proceedings of the 22nd international conference on Artificial Neural Networks and Machine Learning - Volume Part II
Product Comparison Networks for Competitive Analysis of Online Word-of-Mouth
ACM Transactions on Management Information Systems (TMIS)
Journal of the American Society for Information Science and Technology
Diversifying user comments on news articles
WISE'12 Proceedings of the 13th international conference on Web Information Systems Engineering
Sentiment classification: a combination of PMI, sentiwordnet and fuzzy function
ICCCI'12 Proceedings of the 4th international conference on Computational Collective Intelligence: technologies and applications - Volume Part II
Statistical affect detection in collaborative chat
Proceedings of the 2013 conference on Computer supported cooperative work
Dissemination Patterns and Associated Network Effects of Sentiments in Social Networks
ASONAM '12 Proceedings of the 2012 International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2012)
Subjectivity annotation of the microblog 2011 realtime adhoc relevance judgments
ECIR'13 Proceedings of the 35th European conference on Advances in Information Retrieval
Damping sentiment analysis in online communication: discussions, monologs and dialogs
CICLing'13 Proceedings of the 14th international conference on Computational Linguistics and Intelligent Text Processing - Volume 2
More than words: Social networks' text mining for consumer brand sentiments
Expert Systems with Applications: An International Journal
Proceedings of the 13th ACM/IEEE-CS joint conference on Digital libraries
Exploiting emoticons in sentiment analysis
Proceedings of the 28th Annual ACM Symposium on Applied Computing
Analyzing and predicting viral tweets
Proceedings of the 22nd international conference on World Wide Web companion
Predicting political preference of Twitter users
Proceedings of the 2013 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining
Towards emotional awareness in software development teams
Proceedings of the 2013 9th Joint Meeting on Foundations of Software Engineering
Sentribute: image sentiment analysis from a mid-level perspective
Proceedings of the Second International Workshop on Issues of Sentiment Discovery and Opinion Mining
Large-scale visual sentiment ontology and detectors using adjective noun pairs
Proceedings of the 21st ACM international conference on Multimedia
Discovering health-related knowledge in social media using ensembles of heterogeneous features
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
Says who?: automatic text-based content analysis of television news
Proceedings of the 2013 international workshop on Mining unstructured big data using natural language processing
Analyzing, Detecting, and Exploiting Sentiment in Web Queries
ACM Transactions on the Web (TWEB)
Analysis of Search and Browsing Behavior of Young Users on the Web
ACM Transactions on the Web (TWEB)
Chinese-English mixed text normalization
Proceedings of the 7th ACM international conference on Web search and data mining
Social Media Business Intelligence: A Pharmaceutical Domain Analysis Study
International Journal of Sociotechnology and Knowledge Development
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A huge number of informal messages are posted every day in social network sites, blogs, and discussion forums. Emotions seem to be frequently important in these texts for expressing friendship, showing social support or as part of online arguments. Algorithms to identify sentiment and sentiment strength are needed to help understand the role of emotion in this informal communication and also to identify inappropriate or anomalous affective utterances, potentially associated with threatening behavior to the self or others. Nevertheless, existing sentiment detection algorithms tend to be commercially oriented, designed to identify opinions about products rather than user behaviors. This article partly fills this gap with a new algorithm, SentiStrength, to extract sentiment strength from informal English text, using new methods to exploit the de facto grammars and spelling styles of cyberspace. Applied to MySpace comments and with a lookup table of term sentiment strengths optimized by machine learning, SentiStrength is able to predict positive emotion with 60.6% accuracy and negative emotion with 72.8% accuracy, both based upon strength scales of 1–5. The former, but not the latter, is better than baseline and a wide range of general machine learning approaches. © 2010 Wiley Periodicals, Inc.