327 search results - page 56 / 66 » Schema Integration Based on Uncertain Semantic Mappings |
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Abstract We present OntoWiki, a tool providing support for agile, distributed knowledge engineering scenarios. OntoWiki facilitates the visual presentation of a knowledge base as a...
TGIS
2010
13 years 7 months ago
2010
Building on abstract reference models, the Open Geospatial Consortium (OGC) has established standards for storing, discovering, and processing geographical information. These stan...
SIGMOD
2010
ACM
13 years 9 months ago
2010
ACM
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
DEXA
2009
Springer
14 years 3 months ago
2009
Springer
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...
EWMF
2003
Springer
14 years 2 months ago
2003
Springer
Item-based Collaborative Filtering (CF) algorithms have been designed to deal with the scalability problems associated with traditional user-based CF approaches without sacrificin...