Sciweavers

2095 search results - page 111 / 419
» Modeling and Querying Semi-structured Data
Sort
View
PVLDB
2010
174views more  PVLDB 2010»
14 years 8 months ago
x-RDF-3X: Fast Querying, High Update Rates, and Consistency for RDF Databases
The RDF data model is gaining importance for applications in computational biology, knowledge sharing, and social communities. Recent work on RDF engines has focused on scalable p...
Thomas Neumann, Gerhard Weikum
SSD
2005
Springer
93views Database» more  SSD 2005»
15 years 3 months ago
Semantic Caching for Multiresolution Spatial Query Processing in Mobile Environments
Spatial data are particularly useful in mobile environments. However, due to the low bandwidth of most wireless networks, developing large spatial database applications becomes a c...
Sai Sun, Xiaofang Zhou, Heng Tao Shen
P2P
2006
IEEE
229views Communications» more  P2P 2006»
15 years 4 months ago
Cost-Aware Processing of Similarity Queries in Structured Overlays
Large-scale distributed data management with P2P systems requires the existence of similarity operators for queries as we cannot assume that all users will agree on exactly the sa...
Marcel Karnstedt, Kai-Uwe Sattler, Manfred Hauswir...
ICML
2005
IEEE
15 years 10 months ago
Active learning for Hidden Markov Models: objective functions and algorithms
Hidden Markov Models (HMMs) model sequential data in many fields such as text/speech processing and biosignal analysis. Active learning algorithms learn faster and/or better by cl...
Brigham Anderson, Andrew Moore
SEMWEB
2004
Springer
15 years 3 months ago
Querying Faceted Databases
Faceted classification allows one to model applications with complex classification hierarchies using orthogonal dimensions. Recent work has examined the use of faceted classi...
Kenneth A. Ross, Angel Janevski