429 search results - page 52 / 86 » A SAT approach to query optimization in mediator systems |
DOCENG
2004
ACM
14 years 2 months ago
2004
ACM
With the wide adoption of XML as a standard data representation and exchange format, querying XML documents becomes increasingly important. However, relational database systems co...
VLDB
2001
ACM
14 years 1 months ago
2001
ACM
Queries navigate semistructured data via path expressions, and can be accelerated using an index. Our solution encodes paths as strings, and inserts those strings into a special i...
JAIR
1998
13 years 8 months ago
1998
This paper introduces AntNet, a novel approach to the adaptive learning of routing tables in communications networks. AntNet is a distributed, mobile agents based Monte Carlo syst...
ASPDAC
2000
ACM
14 years 1 months ago
2000
ACM
Symbolic debuggers are system development tools that can accelerate the validation speed of behavioral specifications by allowing a user to interact with an executing code at the ...
KDD
2002
ACM
14 years 9 months ago
2002
ACM
This paper presents an approach to automatically optimizing the retrieval quality of search engines using clickthrough data. Intuitively, a good information retrieval system shoul...