1947 search results - page 139 / 390 » On the Automatic Extraction of Data from the Hidden Web |
BTW
2003
Springer
14 years 2 months ago
2003
Springer
Abstract: Query languages for XML such as XPath or XQuery support Boolean retrieval where a query result is a (possibly restructured) subset of XML elements or entire documents tha...
WWW
2001
ACM
14 years 9 months ago
2001
ACM
A wealth of information is available on the Web. But often, such data are hidden behind form interfaces which allow only a restrictive set of queries over the underlying databases...
GFKL
2007
Springer
14 years 3 months ago
2007
Springer
Abstract. Artificial systems with a high degree of autonomy require reliable semantic information about the context they operate in. State interpretation, however, is a difficult ...
ICIP
2006
IEEE
14 years 3 months ago
2006
IEEE
In this paper, we propose a new public key watermarking scheme for reversible image authentication where if the image is authentic, the distortion due to embedding can be complete...
SIGIR
2012
ACM
11 years 11 months ago
2012
ACM
Most queries in web search are ambiguous and multifaceted. Identifying the major senses and facets of queries from search log data, referred to as query subtopic mining in this pa...