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» Querying Semi-Structured Data
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SIGMOD
2008
ACM
126views Database» more  SIGMOD 2008»
16 years 6 months ago
On efficient top-k query processing in highly distributed environments
Lately the advances in centralized database management systems show a trend towards supporting rank-aware query operators, like top-k, that enable users to retrieve only the most ...
Akrivi Vlachou, Christos Doulkeridis, Kjetil N&osl...
DASFAA
2007
IEEE
135views Database» more  DASFAA 2007»
16 years 29 days ago
A Development of Hash-Lookup Trees to Support Querying Streaming XML
Abstract. The rapid growth in the amount of XML data and the development of publish-subscribe systems have led to great interest in processing streaming XML data. We propose the Qs...
James Cheng, Wilfred Ng
SIGMOD
1995
ACM
80views Database» more  SIGMOD 1995»
15 years 10 months ago
Join Queries with External Text Sources: Execution and Optimization Techniques
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
Surajit Chaudhuri, Umeshwar Dayal, Tak W. Yan
TREC
2007
15 years 7 months ago
Exegy at TREC 2007 Million Query Track
Exegy’s submission for the TREC 2007 million query track consisted of results obtained by running the queries against the raw data, i.e., the data was not indexed. The hardwarea...
Naveen Singla, Ronald S. Indeck
FBIT
2007
IEEE
16 years 29 days ago
Rough Set Based Information Retrieval from Argumentative Data Points in Weblogs
This paper describes a decision tree model and 3dimensional representation of information retrieved from various weblogs in relation to argumentative logics. The weblogs are consi...
Sea Woo Kim, Chin-Wan Chung