418 search results - page 20 / 84 » The Web as a Data Source for Spatial Databases |
WWW
2010
ACM
15 years 2 months ago
2010
ACM
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
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ICDE
2006
IEEE
15 years 10 months ago
2006
IEEE
Integrating Deep Web sources requires highly accurate semantic matches between the attributes of the source query interfaces. These matches are usually established by comparing th...
WWW
2003
ACM
15 years 10 months ago
2003
ACM
The integration of data produced and collected across autonomous, heterogeneous web services is an increasingly important and challenging problem. Due to the lack of global identi...
CIKM
2011
Springer
13 years 9 months ago
2011
Springer
There exist many interrelated information sources on the Internet that can be categorized into structured (database) and semistructured (documents). A key challenge is to integrat...
CIKM
2009
Springer
15 years 23 days ago
2009
Springer
Discovering links between different data items in a single data source or across different data sources is a challenging problem faced by many information systems today. In partic...