1052 search results - page 154 / 211 » A Web Query System for Heterogeneous Government Data |
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
Snippets are used by almost every text search engine to complement ranking scheme in order to effectively handle user searches, which are inherently ambiguous and whose relevance ...
ICEIS
2003
IEEE
14 years 2 months ago
2003
IEEE
: Horizontal fragments of a class in an object-oriented database system contain subsets of the class extent or instance objects. These fragments are created with a set of system in...
HT
2011
ACM
13 years 5 days ago
2011
ACM
One of the key motivating factors for information providers to use personalisation is to maximise the benefit to the user in accessing their content. However, traditionally such s...
IPPS
2007
IEEE
14 years 3 months ago
2007
IEEE
We study efficient query processing in distributed web search engines with global index organization. The main performance bottleneck in this case is due to the large amount of i...
VLDB
2004
ACM
2004
ACM
A Multi-Purpose Implementation of Mandatory Access Control in Relational Database Management Systems
14 years 2 months ago
Mandatory Access Control (MAC) implementations in Relational Database Management Systems (RDBMS) have focused solely on Multilevel Security (MLS). MLS has posed a number of challe...