Direction-based text interpretation as an information access refinement
Text-based intelligent systems
Affective computing
Inductive learning algorithms and representations for text categorization
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PeopleGarden: creating data portraits for users
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Visualization components for persistent conversations
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Designing for improved social responsibility, user participation and content in on-line communities
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A semantic approach to visualizing online conversations
Communications of the ACM - Supporting community and building social capital
Tools for navigating large social cyberspaces
Communications of the ACM - Supporting community and building social capital
Text-Learning and Related Intelligent Agents: A Survey
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Richness, power cues and email text
Information and Management
Feature Selection for Clustering
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ACM Transactions on Information Systems (TOIS)
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IEEE Intelligent Systems
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Thumbs up?: sentiment classification using machine learning techniques
EMNLP '02 Proceedings of the ACL-02 conference on Empirical methods in natural language processing - Volume 10
From fingerprint to writeprint
Communications of the ACM - Supporting exploratory search
Exploring digital libraries: integrating browsing, searching, and visualization
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Conversation Map: An Interface for Very Large-Scale Conversations
Journal of Management Information Systems
Visualizing authorship for identification
ISI'06 Proceedings of the 4th IEEE international conference on Intelligence and Security Informatics
Affect analysis of text using fuzzy semantic typing
IEEE Transactions on Fuzzy Systems
Integrating implicit structure visualization with authoring promotes ideation
Proceedings of the 11th annual international ACM/IEEE joint conference on Digital libraries
Athena: text mining based discovery of scientific workflows in disperse repositories
RED'10 Proceedings of the Third international conference on Resource Discovery
Docuburst: visualizing document content using language structure
EuroVis'09 Proceedings of the 11th Eurographics / IEEE - VGTC conference on Visualization
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Rule-based visual mappings - with a case study on poetry visualization
EuroVis '13 Proceedings of the 15th Eurographics Conference on Visualization
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Digital libraries (DLs) for online discourse contain large amounts of valuable information that is difficult to navigate and analyze. Visualization systems developed to facilitate improved CMC archive analysis and navigation primarily focus on interaction information, with little emphasis on textual content. In this paper we present a system that provides DL exploration services such as visualization, categorization, and analysis for CMC text. The system incorporates an extended feature set comprised of stylistic, topical, and sentiment related features to enable richer content representation. The system also includes the Ink Blot technique which utilizes decision tree models and text overlay to visualize CMC messages. Ink Blots can be used for text categorization and analysis across forums, authors, threads, messages, and over time. The proposed system's analysis capabilities were evaluated with a series of examples and a qualitative user study. Empirical categorization experiments comparing the Ink Blot technique against a benchmark support vector machine classifier were also conducted. The results demonstrated the efficacy of the Ink Blot technique for text categorization and also highlighted the effectiveness of the extended feature set for improved text categorization.