Sciweavers

418 search results - page 79 / 84
» Optimizing Large Join Queries in Mediation Systems
Sort
View
MOBIHOC
2006
ACM
14 years 7 months ago
Data storage placement in sensor networks
Data storage has become an important issue in sensor networks as a large amount of collected data need to be archived for future information retrieval. This paper introduces stora...
Bo Sheng, Qun Li, Weizhen Mao
ICICS
2007
Springer
13 years 11 months ago
Time and Space Efficient Algorithms for Two-Party Authenticated Data Structures
Authentication is increasingly relevant to data management. Data is being outsourced to untrusted servers and clients want to securely update and query their data. For example, in ...
Charalampos Papamanthou, Roberto Tamassia
DAWAK
2008
Springer
13 years 9 months ago
Efficient Data Distribution for DWS
The DWS (Data Warehouse Striping) technique is a data partitioning approach especially designed for distributed data warehousing environments. In DWS the fact tables are distribute...
Raquel Almeida, Jorge Vieira, Marco Vieira, Henriq...
CIKM
2010
Springer
13 years 6 months ago
Improved index compression techniques for versioned document collections
Current Information Retrieval systems use inverted index structures for efficient query processing. Due to the extremely large size of many data sets, these index structures are u...
Jinru He, Junyuan Zeng, Torsten Suel
VLDB
1992
ACM
151views Database» more  VLDB 1992»
13 years 11 months ago
Parallelism in a Main-Memory DBMS: The Performance of PRISMA/DB
This paper evaluates the performance of the parallel, main-memory DBMS, PRISMA/DB. First, an architecture for parallel query execution is presented. A performance model for the ex...
Annita N. Wilschut, Jan Flokstra, Peter M. G. Aper...