• Publications
  • Influence
Business Intelligence and Analytics: From Big Data to Big Impact
Business intelligence and analytics (BI&A) has emerged as an important area of study for both practitioners and researchers, reflecting the magnitude and impact of data-related problems to be solvedExpand
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Sentiment analysis in multiple languages: Feature selection for opinion classification in Web forums
The Internet is frequently used as a medium for exchange of information and opinions, as well as propaganda dissemination. In this study the use of sentiment analysis methodologies is proposed forExpand
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Writeprints: A stylometric approach to identity-level identification and similarity detection in cyberspace
One of the problems often associated with online anonymity is that it hinders social accountability, as substantiated by the high levels of cybercrime. Although identity cues are scarce inExpand
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Credit rating analysis with support vector machines and neural networks: a market comparative study
Corporate credit rating analysis has attracted lots of research interests in the literature. Recent studies have shown that Artificial Intelligence (AI) methods achieved better performance thanExpand
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Textual analysis of stock market prediction using breaking financial news: The AZFin text system
Our research examines a predictive machine learning approach for financial news articles analysis using several different textual representations: bag of words, noun phrases, and named entities.Expand
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A framework for authorship identification of online messages: Writing-style features and classification techniques
With the rapid proliferation of Internet technologies and applications, misuse of online messages for inappropriate or illegal purposes has become a major concern for society. The anonymous nature ofExpand
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Applying authorship analysis to extremist-group Web forum messages
The speed, ubiquity, and potential anonymity of Internet media - email, Web sites, and Internet forums - make them ideal communication channels for militant groups and terrorist organizations.Expand
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Crime data mining: a general framework and some examples
A major challenge facing all law-enforcement and intelligence-gathering organizations is accurately and efficiently analyzing the growing volumes of crime data. Detecting cybercrime can likewise beExpand
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Applying associative retrieval techniques to alleviate the sparsity problem in collaborative filtering
Recommender systems are being widely applied in many application settings to suggest products, services, and information items to potential consumers. Collaborative filtering, the most successfulExpand
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Social Media Analytics and Intelligence
In a broad sense, social media refers to a conversational, distributed mode of content generation, dissemination, and communication among communities. Different from broadcast-based traditional andExpand
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