Sciweavers

1533 search results - page 163 / 307
» Ordering the attributes of query results
Sort
View
VLDB
2001
ACM
138views Database» more  VLDB 2001»
14 years 2 months ago
A Data Warehousing Architecture for Enabling Service Provisioning Process
In this paper we focus on the following problem in information management: given a large collection of recorded information and some knowledge of the process that is generating th...
Yannis Kotidis
VLDB
1987
ACM
104views Database» more  VLDB 1987»
14 years 1 months ago
Magic Functions: A Technique to Optimize Extended Datalog Recursive Programs
Severalmethodshavebeenproposedto compile recursive Datalog programs. The most well-known perform a rewriting of rules using MAGIC or PROBLEM predicates in order to push selections...
Georges Gardarin
SBBD
2004
106views Database» more  SBBD 2004»
13 years 11 months ago
Twisting the Metric Space to Achieve Better Metric Trees
In order to index text fields in XML databases for similarity queries, M-Trees may be applied. However, some datasets experiments using M-Trees for this purpose resulted in low qu...
César Feijó Nadvorny, Carlos A. Heus...
VLDB
2004
ACM
93views Database» more  VLDB 2004»
14 years 3 months ago
Symmetric Relations and Cardinality-Bounded Multisets in Database Systems
In a binary symmetric relationship, A is related to B if and only if B is related to A. Symmetric relationships between k participating entities can be represented as multisets of...
Kenneth A. Ross, Julia Stoyanovich
RIAO
2004
13 years 11 months ago
Selective Combination of Evidence for Topic Distillation using Document and Aggregate-level Information
The combination of evidence for Information Retrieval has been studied extensively in order to increase effectiveness. In this paper, we study the selective application of differe...
Vassilis Plachouras, Iadh Ounis, Fidel Cacheda