Sciweavers

6654 search results - page 389 / 1331
» Querying Faceted Databases
Sort
View
ICDE
2007
IEEE
92views Database» more  ICDE 2007»
16 years 8 months ago
STAR: A System for Tuple and Attribute Ranking of Query Answers
In recent years there has been a great deal of interest in developing effective techniques for ad-hoc search and retrieval in structured repositories such as relational databases ...
Nishant Kapoor, Gautam Das, Vagelis Hristidis, S. ...
BTW
2003
Springer
92views Database» more  BTW 2003»
16 years 2 days ago
A Logical, Transparent Model for Querying Linked XML Documents
Abstract:The W3C XML Linking Language (XLink) provides a powerful means for interlinking XML documents all over the world. While the effects when browsing through linked XML docume...
Wolfgang May, Dimitrio Malheiro
VLDB
1994
ACM
114views Database» more  VLDB 1994»
15 years 11 months ago
Including Group-By in Query Optimization
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
Surajit Chaudhuri, Kyuseok Shim
WEBDB
2009
Springer
113views Database» more  WEBDB 2009»
16 years 1 months ago
Experimental Evaluation of Query Processing Techniques over Multiversion XML Documents
Various approaches have been recently proposed for storing the evolution of an XML document, thereby preserving useful past information about the document and thus the ability to ...
Adam Woss, Vassilis J. Tsotras
SEMWEB
2005
Springer
16 years 10 days ago
Containment and Minimization of RDF/S Query Patterns
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
Giorgos Serfiotis, Ioanna Koffina, Vassilis Christ...