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» Topics in asynchronous systems
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CSCW
2002
ACM
15 years 4 months ago
What is chat doing in the workplace?
We report an empirical study of a synchronous messaging application with group-oriented functionality designed to support teams in the workplace. In particular, the tool supports ...
Mark Handel, James D. Herbsleb
ICEIS
2003
IEEE
15 years 9 months ago
Widam - Web Interaction Display and Monitoring
: In this paper we describe the design and implementation of a system called Web Interaction Display and Monitoring (WIDAM). We have developed a web based client-server application...
Hugo Gamboa, Vasco Ferreira
SIGIR
2003
ACM
15 years 9 months ago
Domain-independent text segmentation using anisotropic diffusion and dynamic programming
This paper presents a novel domain-independent text segmentation method, which identifies the boundaries of topic changes in long text documents and/or text streams. The method c...
Xiang Ji, Hongyuan Zha
WWW
2008
ACM
16 years 5 months ago
Social and semantics analysis via non-negative matrix factorization
Social media such as Web forum often have dense interactions between user and content where network models are often appropriate for analysis. Joint non-negative matrix factorizat...
Zhi-Li Wu, Chi-Wa Cheng, Chun-hung Li
CIKM
2007
Springer
15 years 8 months ago
Hypothesis testing with incomplete relevance judgments
Information retrieval experimentation generally proceeds in a cycle of development, evaluation, and hypothesis testing. Ideally, the evaluation and testing phases should be short ...
Ben Carterette, Mark D. Smucker