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VLDB
2001
ACM
157views Database» more  VLDB 2001»
14 years 7 months ago
MiniCon: A scalable algorithm for answering queries using views
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessing...
Rachel Pottinger, Alon Y. Halevy
ICDE
2007
IEEE
128views Database» more  ICDE 2007»
14 years 9 months ago
DeltaSky: Optimal Maintenance of Skyline Deletions without Exclusive Dominance Region Generation
This paper addresses the problem of efficient maintenance of a materialized skyline view in response to skyline removals. While there has been significant progress on skyline quer...
Ping Wu, Divyakant Agrawal, Ömer Egecioglu, A...
CIKM
2008
Springer
13 years 9 months ago
Energy-efficient skyline query processing and maintenance in sensor networks
The skyline query, as an important operator in databases for multi-preference analysis and decision making, has received much attention recently due to its wide application backgr...
Weifa Liang, Baichen Chen, Jeffrey Xu Yu
SIGMOD
2011
ACM
219views Database» more  SIGMOD 2011»
12 years 10 months ago
Context-sensitive ranking for document retrieval
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
Liang Jeff Chen, Yannis Papakonstantinou
WWW
2007
ACM
14 years 8 months ago
Exploit sequencing views in semantic cache to accelerate xpath query evaluation
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...
Jianhua Feng, Na Ta, Yong Zhang, Guoliang Li