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COLING
2010
15 years 1 months ago
Bridging Topic Modeling and Personalized Search
This work presents a study to bridge topic modeling and personalized search. A probabilistic topic model is used to extract topics from user search history. These topics can be se...
Wei Song, Yu Zhang, Ting Liu, Sheng Li
SIGMOD
2006
ACM
123views Database» more  SIGMOD 2006»
16 years 6 months ago
Exploiting predicate-window semantics over data streams
The continuous sliding-window query model is used widely in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In ...
Thanaa M. Ghanem, Walid G. Aref, Ahmed K. Elmagarm...
VLDB
1989
ACM
137views Database» more  VLDB 1989»
15 years 10 months ago
Pasta-3's Graphical Query Language: Direct Manipulation, Cooperative Queries, Full Expressive Power
Graphical Direct Manipulation (GrDM) query languagesare characterized and positioned with respect to traditional textual query languages. After a brief survey of the current state...
Michel Kuntz, Rainer Melchert
VLDB
2006
ACM
147views Database» more  VLDB 2006»
16 years 6 months ago
Answering queries using materialized views with minimum size
In this paper we study the following problem. Given a database and a set of queries, we want to find a set of views that can compute the answers to the queries, such that the amoun...
Rada Chirkova, Chen Li, Jia Li
ICNC
2005
Springer
16 years 2 days ago
Automatic Text Summarization Based on Lexical Chains
Abstract. The method of lexical chains is the first time introduced to generate summaries from Chinese texts. The algorithm which computes lexical chains based on the HowNet knowl...
Yanmin Chen, Xiaolong Wang, Guan Yi