Sciweavers

3456 search results - page 574 / 692
» Semantics in Spatial Databases
Sort
View
114
Voted
EDBT
2008
ACM
120views Database» more  EDBT 2008»
16 years 2 months ago
Schema mapping verification: the spicy way
Schema mapping algorithms rely on value correspondences ? i.e., correspondences among semantically related attributes ? to produce complex transformations among data sources. Thes...
Angela Bonifati, Giansalvatore Mecca, Alessandro P...
141
Voted
ICDE
2010
IEEE
254views Database» more  ICDE 2010»
16 years 2 months ago
Efficient Rank Based KNN Query Processing Over Uncertain Data
Uncertain data are inherent in many applications such as environmental surveillance and quantitative economics research. As an important problem in many applications, KNN query has...
Ying Zhang, Xuemin Lin, Gaoping ZHU, Wenjie Zhang,...
160
Voted
WWW
2010
ACM
15 years 9 months ago
Matrix "Bit" loaded: a scalable lightweight join query processor for RDF data
The Semantic Web community, until now, has used traditional database systems for the storage and querying of RDF data. The SPARQL query language also closely follows SQL syntax. A...
Medha Atre, Vineet Chaoji, Mohammed J. Zaki, James...
114
Voted
WWW
2010
ACM
15 years 9 months ago
Constructing travel itineraries from tagged geo-temporal breadcrumbs
Vacation planning is a frequent laborious task which requires skilled interaction with a multitude of resources. This paper develops an end-to-end approach for constructing intra-...
Munmun De Choudhury, Moran Feldman, Sihem Amer-Yah...
DASFAA
2010
IEEE
179views Database» more  DASFAA 2010»
15 years 9 months ago
Scalable Splitting of Massive Data Streams
Scalable execution of continuous queries over massive data streams often requires splitting input streams into parallel sub-streams over which query operators are executed in paral...
Erik Zeitler, Tore Risch