14248 search results - page 26 / 2850 » Queries |
DEXAW
1999
IEEE
14 years 1 months ago
1999
IEEE
This work addresses a problem of optimal query processing in heterogeneous and distributed multidatabase systems. The objective is to nd a method for opimization of global query p...
ESWS
2004
Springer
14 years 15 days ago
2004
Springer
Abstract. In this paper we describe the work that was done in the Corporate Ontology Grid (COG) project on the querying of existing legacy data sources from the automotive industry...
FOCS
2004
IEEE
14 years 15 days ago
2004
IEEE
We study the learning models defined in [AKST97]: Learning with equivalence and limited membership queries and learning with equivalence and malicious membership queries. We show ...
FOIKS
2006
Springer
14 years 13 days ago
2006
Springer
Abstract. We present here a formal foundation for an iterative and incremental approach to constructing and evaluating preference queries. Our main focus is on query modification: ...
DATESO
2007
13 years 10 months ago
2007
Boyer-Moore-Horspool (BMH) algorithm is commonly used to solve text searching problems. In this paper is used to solve the constraint subset of XPath queries offering effective alg...