861 search results - page 113 / 173 » Relational Completeness of Query Languages for Annotated Dat... |
SEMCO
2007
IEEE
15 years 4 months ago
2007
IEEE
This paper describes work on Named Entity Recognition (NER), in preparation for Relation Extraction (RE), on data from a historical archive organisation. As is often the case in t...
BDA
2001
14 years 11 months ago
2001
Community Web Portals (e.g., digital libraries, vertical aggregators, infomediaries) have become quite popular nowadays in supporting specific communities of interest on corporate...
EDBT
2002
ACM
15 years 10 months ago
2002
ACM
The problem of finding contained rewritings of queries using views is of great importance in mediated data integration systems. In this paper, we first present a general approach f...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
We consider the problem of data sharing between autonomous data sources in an environment where constraints cannot be placed on the shared contents of sources. Our solutions rely ...
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
XML query languages use directional path expressions to locate data in an XML data collection. They are tightly coupled to the structure of a data collection, and can fail when ev...