Sciweavers

3456 search results - page 477 / 692
» Semantics in Spatial Databases
Sort
View
104
Voted
DL
1994
Springer
167views Digital Library» more  DL 1994»
15 years 6 months ago
Administering Structured Documents in Digital Libraries
In this chapter we argue that hyperdocuments administered by digital libraries have to be structured according to standardized storage and exchange formats in order to allow for t...
Klemens Böhm, Karl Aberer, Erich J. Neuhold
93
Voted
VLDB
1992
ACM
129views Database» more  VLDB 1992»
15 years 6 months ago
Extensible Buffer Management of Indexes
Most extensibledatabasesystemssupportaddition of new indexes or new data types. However, the referencepatterns exhibited by these new indexes may not be efficiently supportedby ex...
Chee Yong Chan, Beng Chin Ooi, Hongjun Lu
PODS
1990
ACM
148views Database» more  PODS 1990»
15 years 6 months ago
Stable Models and Non-Determinism in Logic Programs with Negation
Previous researchers have proposed generalizations of Horn clause logic to support negation and nondeterminism as two separate extensions. In this paper, we show that the stable m...
Domenico Saccà, Carlo Zaniolo
151
Voted
DEXAW
2007
IEEE
124views Database» more  DEXAW 2007»
15 years 6 months ago
XML Query Optimisation: Specify your Selectivity
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...
Sven Hartmann, Sebastian Link
DASFAA
2009
IEEE
135views Database» more  DASFAA 2009»
15 years 6 months ago
Dimension-Specific Search for Multimedia Retrieval
Observing that current Global Similarity Measures (GSM) which average the effect of few significant differences on all dimensions may cause possible performance limitation, we prop...
Zi Huang, Heng Tao Shen, Dawei Song, Xue Li, Stefa...