167 search results - page 5 / 34 » On the provenance of non-answers to queries over extracted d... |
PVLDB
2010
13 years 2 months ago
2010
Probabilistic data is coming as a new deluge along with the technical advances on geographical tracking, multimedia processing, sensor network and RFID. While similarity search is...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Text documents often embed data that is structured in nature, and we can expose this structured data using information extraction technology. By processing a text database with inf...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
Provenance is information about the origin, derivation, ownership, or history of an object. It has recently been studied extensively in scientific databases and other settings due...
CIKM
2009
Springer
14 years 15 days ago
2009
Springer
This paper presents an overview of our framework for searching and retrieving facts and relationships within natural language text sources. In this framework, an extraction task o...
PVLDB
2010
13 years 6 months ago
2010
We present in this paper ObjectRunner, a system for extracting, integrating and querying structured data from the Web. Our system harvests real-world items from template-based HTM...