151 search results - page 18 / 31 » On the Containment Problem for Queries in Conjunctive Form w... |
DMKD
2004
ACM
14 years 29 days ago
2004
ACM
To enable information integration, schema matching is a critical step for discovering semantic correspondences of attributes across heterogeneous sources. As a new attempt, this p...
ICDM
2008
IEEE
14 years 2 months ago
2008
IEEE
The goal of sentiment prediction is to automatically identify whether a given piece of text expresses positive or negative opinion towards a topic of interest. One can pose sentim...
EDBT
2012
ACM
11 years 10 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
Valiant’s (2007) model of evolvability models the evolutionary process of acquiring useful functionality as a restricted form of learning from random examples. Linear threshold ...
ADC
2003
Springer
14 years 23 days ago
2003
Springer
Semistructured data, in particular XML, has emerged as one of the primary means for information exchange and content management. The power of XML allows authors to structure a doc...