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ICDE
2006
IEEE
146views Database» more  ICDE 2006»
14 years 2 months ago
Supporting Predicate-Window Queries in Data Stream Management Systems
The window query model is widely used in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In this dissertation, ...
Thanaa M. Ghanem
SIGIR
2004
ACM
14 years 2 months ago
Hourly analysis of a very large topically categorized web query log
We review a query log of hundreds of millions of queries that constitute the total query traffic for an entire week of a generalpurpose commercial web search service. Previously, ...
Steven M. Beitzel, Eric C. Jensen, Abdur Chowdhury...
DBPL
2003
Springer
144views Database» more  DBPL 2003»
14 years 2 months ago
A General Framework for Estimating XML Query Cardinality
Abstract. In the context of XML data management systems, the estimation of query cardinality is becoming more and more important: the information provided by a query result estimat...
Carlo Sartiani
UIST
1998
ACM
14 years 1 months ago
Graphical Query Specification and Dynamic Result Previews for a Digital Library
Textual query languages based on Boolean logic are common amongst the search facilities of on-line information repositories. However, there is evidence to suggest that the syntact...
Steve Jones
VLDB
1992
ACM
151views Database» more  VLDB 1992»
14 years 25 days ago
A Uniform Approach to Processing Temporal Queries
Research in temporal databases has mainly focused on defining temporal data models by extending existing models, and developing access structures for temporal data. Little has bee...
Umeshwar Dayal, Gene T. J. Wuu