Probabilistic latent semantic indexing
Proceedings of the 22nd annual international ACM SIGIR conference on Research and development in information retrieval
Visualization of navigation patterns on a Web site using model-based clustering
Proceedings of the sixth ACM SIGKDD international conference on Knowledge discovery and data mining
The Journal of Machine Learning Research
Probabilistic User Behavior Models
ICDM '03 Proceedings of the Third IEEE International Conference on Data Mining
Probabilistic model-based clustering of complex data
Probabilistic model-based clustering of complex data
Probabilistic author-topic models for information discovery
Proceedings of the tenth ACM SIGKDD international conference on Knowledge discovery and data mining
Tracking dynamics of topic trends using a finite mixture model
Proceedings of the tenth ACM SIGKDD international conference on Knowledge discovery and data mining
The author-topic model for authors and documents
UAI '04 Proceedings of the 20th conference on Uncertainty in artificial intelligence
Improving recommendation lists through topic diversification
WWW '05 Proceedings of the 14th international conference on World Wide Web
Modeling and predicting personal information dissemination behavior
Proceedings of the eleventh ACM SIGKDD international conference on Knowledge discovery in data mining
Tracking Information Epidemics in Blogspace
WI '05 Proceedings of the 2005 IEEE/WIC/ACM International Conference on Web Intelligence
Dynamic social network analysis using latent space models
ACM SIGKDD Explorations Newsletter
A framework for analysis of dynamic social networks
Proceedings of the 12th ACM SIGKDD international conference on Knowledge discovery and data mining
Analysis of topological characteristics of huge online social networking services
Proceedings of the 16th international conference on World Wide Web
Modeling user behavior in recommender systems based on maximum entropy
Proceedings of the 16th international conference on World Wide Web
Topic and role discovery in social networks
IJCAI'05 Proceedings of the 19th international joint conference on Artificial intelligence
Topic oriented community detection through social objects and link analysis in social networks
Knowledge-Based Systems
Interest-based real-time content recommendation in online social communities
Knowledge-Based Systems
The development of intuitive knowledge classifier and the modeling of domain dependent data
Knowledge-Based Systems
A sock puppet detection algorithm on virtual spaces
Knowledge-Based Systems
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User activity plays an important role in the operation of many kinds of websites. Significant progress has been made on user activity modeling by researchers in many kinds of Web information process fields, such as Web log mining, blogs social network analysis, etc. However, research on user activity in many interactive websites, such as bbs and discussion group websites, has not attracted much attention. On the other hand, the integration of software modules which are responsible for user activity analysis is also a critical issue. We propose a framework which can be easily implemented for the analysis of user activity on an interactive website. In the framework, user activity model is represented by a hidden Markov model (HMM), and the method for user interest computation is provided. User activity analysis tasks, such as user group discovery, can be performed in the framework. In the experiments, we investigate three interesting problems which are related with user interest and user activity. Experiment results show that the framework is helpful for user activity analysis and the proposed user interest can describe user activity on an interactive website well, hence it can be used as an effective measure in analyzing user activity.