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» Specifications for Efficient Indexing in Spatiotemporal Data...
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VLDB
1995
ACM
103views Database» more  VLDB 1995»
13 years 11 months ago
Querying Shapes of Histories
We present a shape definition language, called SDC, for retrieving objects based on shapes contained in the histories associated with these objects. It is a small, yet powerful, l...
Rakesh Agrawal, Giuseppe Psaila, Edward L. Wimmers...
SIGMOD
2007
ACM
160views Database» more  SIGMOD 2007»
14 years 7 months ago
Supporting ranking and clustering as generalized order-by and group-by
The Boolean semantics of SQL queries cannot adequately capture the "fuzzy" preferences and "soft" criteria required in non-traditional data retrieval applicati...
Chengkai Li, Min Wang, Lipyeow Lim, Haixun Wang, K...
VLDB
2004
ACM
119views Database» more  VLDB 2004»
14 years 1 months ago
Supporting Ontology-Based Semantic matching in RDBMS
Ontologies are increasingly being used to build applications that utilize domain-specific knowledge. This paper addresses the problem of supporting ontology-based semantic matchin...
Souripriya Das, Eugene Inseok Chong, George Eadon,...
CORR
2008
Springer
120views Education» more  CORR 2008»
13 years 7 months ago
XQuery Join Graph Isolation
A purely relational account of the true XQuery semantics can turn any relational database system into an XQuery processor. Compiling nested expressions of the fully compositional X...
Torsten Grust, Manuel Mayr, Jan Rittinger
BMCBI
2006
145views more  BMCBI 2006»
13 years 7 months ago
Fast-Find: A novel computational approach to analyzing combinatorial motifs
Background: Many vital biological processes, including transcription and splicing, require a combination of short, degenerate sequence patterns, or motifs, adjacent to defined seq...
Micah Hamady, Erin Peden, Rob Knight, Ravinder Sin...