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DAWAK
2008
Springer
13 years 10 months ago
Adapting LDA Model to Discover Author-Topic Relations for Email Analysis
Analyzing the author and topic relations in email corpus is an important issue in both social network analysis and text mining. The AuthorTopic model is a statistical model that id...
Liqiang Geng, Hao Wang, Xin Wang, Larry Korba
WSDM
2009
ACM
136views Data Mining» more  WSDM 2009»
14 years 3 months ago
Mining common topics from multiple asynchronous text streams
Text streams are becoming more and more ubiquitous, in the forms of news feeds, weblog archives and so on, which result in a large volume of data. An effective way to explore the...
Xiang Wang 0002, Kai Zhang, Xiaoming Jin, Dou Shen
HICSS
2006
IEEE
123views Biometrics» more  HICSS 2006»
14 years 2 months ago
An Economic Model for Comparing Search Services
Search services are now ubiquitously employed in searching for documents on the Internet and on enterprise intranets. This research develops an economic model for comparing search...
Stephen K. Kwan, Shailaja Venkatsubramanyan
ER
2008
Springer
140views Database» more  ER 2008»
13 years 10 months ago
Managing the History of Metadata in Support for DB Archiving and Schema Evolution
Modern information systems, and web information systems in particular, are faced with frequent database schema changes, which generate the necessity to manage them and preserve the...
Carlo Curino, Hyun Jin Moon, Carlo Zaniolo
SYSTOR
2009
ACM
14 years 3 months ago
DHIS: discriminating hierarchical storage
A typical storage hierarchy comprises of components with varying performance and cost characteristics, providing multiple options for data placement. We propose and evaluate a hie...
Chaitanya Yalamanchili, Kiron Vijayasankar, Erez Z...