907 search results - page 34 / 182 » Efficient Optimization of Iterative Queries |
RTCSA
2008
IEEE
14 years 3 months ago
2008
IEEE
This paper addresses the problem of using the Location IDentifier (LID) as the domain value of the index for trajectories of RFID tags and proposes the solution for solving this p...
GEOINFO
2003
13 years 10 months ago
2003
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...
ICDE
2008
IEEE
15 years 8 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 ...
WWW
2006
ACM
14 years 9 months ago
2006
ACM
Current web search engines are retrospective in that they limit users to searches against already existing pages. Prospective search engines, on the other hand, allow users to upl...
COOPIS
2002
IEEE
14 years 1 months ago
2002
IEEE
: This work investigates the integration of heterogeneous resources, such as data and programs, in a fully distributed peer-to-peer mediation architecture. The challenge in making ...