503 search results - page 3 / 101 » Applying Multiple Query Optimization in Mobile Databases |
ICDE
1996
IEEE
14 years 7 months ago
1996
IEEE
Query folding refers to the activity of determining if and how a query can be answered using a given set of resources, which might be materialized views, cached results of previou...
ICDE
2004
IEEE
14 years 7 months ago
2004
IEEE
Several spatio-temporal applications require the retrieval of summarized information about moving objects that lie in a query region during a query interval (e.g., the number of m...
SAC
2004
ACM
13 years 11 months ago
2004
ACM
ËØÓÖ Ò × Ø× Ò ÕÙ ÖÝ Ò Ø Ñ ´ º º¸ ×Ù × Ø ÕÙ Ö × Ø Ø ÔÖÓÚ ÐÐ ×ÙÔ Ö× Ø× Ó Ú Ò × Øµ × ÒÓÛÒ ØÓ Æ ÙÐØ Û Ø Ò Ö Ð Ø ÓÒ ...
SAC
2004
ACM
13 years 11 months ago
2004
ACM
Integrity constraints are valuable tools for enforcing consistency of data in a database. Global integrity constraints ensure integrity and consistency of data spanning multiple d...
SIGMOD
2002
ACM
14 years 6 months ago
2002
ACM
Physical database design is important for query performance in a shared-nothing parallel database system, in which data is horizontally partitioned among multiple independent node...