Sciweavers

503 search results - page 3 / 101
» Applying Multiple Query Optimization in Mobile Databases
Sort
View
ICDE
1996
IEEE
178views Database» more  ICDE 1996»
15 years 11 months ago
Query Folding
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...
Xiaolei Qian
174
Voted
ICDE
2004
IEEE
144views Database» more  ICDE 2004»
15 years 11 months ago
Spatio-Temporal Aggregation Using Sketches
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...
Yufei Tao, George Kollios, Jeffrey Considine, Feif...
SAC
2004
ACM
15 years 2 months ago
Optimizing subset queries: a step towards SQL-based inductive databases for itemsets
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 ...
Cyrille Masson, Céline Robardet, Jean-Fran&...
SAC
2004
ACM
15 years 2 months ago
A mobile agent approach for global database constraint checking
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...
Praveen Madiraju, Rajshekhar Sunderraman
SIGMOD
2002
ACM
172views Database» more  SIGMOD 2002»
15 years 9 months ago
Automating physical database design in a parallel database
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...
Jun Rao, Chun Zhang, Nimrod Megiddo, Guy M. Lohman