508 search results - page 54 / 102 » Bringing Order to Query Optimization |
ER
2008
Springer
13 years 9 months ago
2008
Springer
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...
ICDE
2008
IEEE
15 years 7 months ago
2008
IEEE
This paper introduces an efficient algorithm for Producing Early Results in Multi-join query plans (PermJoin, for short). While most previous research focuses only on the
case of ...
KDD
2008
ACM
14 years 8 months ago
2008
ACM
We introduce a new approach to analyzing click logs by examining both the documents that are clicked and those that are bypassed--documents returned higher in the ordering of the ...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
ICCS
2005
Springer
14 years 1 months ago
2005
Springer
Abstract Bioinformatic data sources available on the web are multiple and heterogenous. The lack of documentation and the difficulty of interaction with these data banks require us...