396 search results - page 39 / 80 » Semantic Optimization of Preference Queries |
ERSHOV
2006
Springer
13 years 11 months ago
2006
Springer
The paper presents a concept and architecture of specialized Internet portal providing semantic access to knowledge and information resources (electronic collections) for any given...
ICDE
2012
IEEE
11 years 10 months ago
2012
IEEE
— In this paper, we focus on efficient keyword query processing for XML data based on SLCA and ELCA semantics. We propose for each keyword a novel form of inverted list, which i...
COMPSAC
1996
IEEE
13 years 12 months ago
1996
IEEE
We present the architecture and design details of a logic database system that extends functionality in a number of ways. The system supports indefinite (non-Horn) facts in extens...
AMW
2011
12 years 11 months ago
2011
Subqueries are a poweful feature which allows to enforce reuse, composition, rewriting and optimization in a query language. In this paper we perform a comprehensive study of the i...
HICSS
2002
IEEE
14 years 20 days ago
2002
IEEE
Abstract— Recent advances in graph-based search techniques derived from Kleinberg’s work [1] have been impressive. This paper further improves the graph-based search algorithm ...