794 search results - page 114 / 159 » On the Information Content of Semi-Structured Databases |
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
Integration systems typically support only a restricted set of queries over the schema they export. The reason is that the participating information sources contribute limited con...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
In this paper, we study query evaluation on Active XML documents (AXML for short), a new generation of XML documents that has recently gained popularity. AXML documents are XML do...
EDBT
2008
ACM
14 years 9 months ago
2008
ACM
An active XML (AXML) document contains tags representing calls to Web services. Therefore, retrieving its contents consists in materializing its data elements by invoking the embe...
WEBI
2009
Springer
14 years 3 months ago
2009
Springer
—The key to Deep Web crawling is to submit promising keywords to query form and retrieve Deep Web content efficiently. To select keywords, existing methods make a decision based ...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
Many users need to refer to content in existing files (pictures, tables, emails, web pages and etc.) when they write documents(programs, presentations, proposals and etc.), and o...