Sciweavers

223 search results - page 13 / 45
» Expressive and Efficient Peer-to-Peer Queries
Sort
View
EDBT
2006
ACM
112views Database» more  EDBT 2006»
14 years 6 months ago
Expressiveness and Performance of Full-Text Search Languages
We study the expressiveness and performance of full-text search languages. Our main motivation is to provide a formal basis for comparing such languages and to develop a model for...
Chavdar Botev, Sihem Amer-Yahia, Jayavel Shanmugas...
ICDE
2003
IEEE
183views Database» more  ICDE 2003»
14 years 8 months ago
Skyline with Presorting
There has been interest recently in skyline queries, also called Pareto queries, on relational databases. Relational query languages do not support search for "best" tupl...
Jan Chomicki, Parke Godfrey, Jarek Gryz, Dongming ...
SIGMOD
1996
ACM
120views Database» more  SIGMOD 1996»
13 years 11 months ago
Implementing Data Cubes Efficiently
Decision support applications involve complex queries on very large databases. Since response times should be small, query optimization is critical. Users typically view the data ...
Venky Harinarayan, Anand Rajaraman, Jeffrey D. Ull...
CIKM
2010
Springer
13 years 4 months ago
EntityEngine: answering entity-relationship queries using shallow semantics
We introduce EntityEngine, a system for answering entityrelationship queries over text. Such queries combine SQLlike structures with IR-style keyword constraints and therefore, ca...
Xiaonan Li, Chengkai Li, Cong Yu
ADC
2007
Springer
193views Database» more  ADC 2007»
14 years 27 days ago
Optimizing XPath Queries on Streaming XML Data
XML stream processing has recently become popular for many applications such as selective dissemination of information. Several approaches have been proposed and most of them are ...
Keerati Jittrawong, Raymond K. Wong