151 search results - page 14 / 31 » Structured Querying of Web Text Data: A Technical Challenge |
WWW
2003
ACM
14 years 8 months ago
2003
ACM
The Semantic Web envisions a World Wide Web in which data is described with rich semantics and applications can pose complex queries. To this point, researchers have defined new l...
IJMMS
2008
13 years 7 months ago
2008
In this paper we present the design, implementation and evaluation of SOBA, a system for ontology-based information extraction from heterogeneous data resources, including plain t...
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
In many applications, the underlying data (the web, an XML document, or a relational database) can be seen as a graph. These graphs may be enriched with weights, associated with t...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
SODA
2001
ACM
13 years 8 months ago
2001
ACM
Most information-retrieval systems preprocess the data to produce an auxiliary index structure. Empirically, it has been observed that there is a tradeoff between query response t...