276 search results - page 34 / 56 » Querying Temporal Databases Using Controlled Natural Languag... |
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
PODS
2004
ACM
14 years 7 months ago
2004
ACM
The important challenge of evaluating XPath queries over XML streams has sparked much interest in the past few years. A number of algorithms have been proposed, supporting wider f...
DEBU
2008
13 years 7 months ago
2008
Social media are constructed from the collective contributions of potentially millions of individuals and present an increasingly common and large scale form of database. As these...
WWW
2011
ACM
13 years 2 months ago
2011
ACM
The multimedia information retrieval community has dedicated extensive research effort to the problem of content-based image retrieval (CBIR). However, these systems find their ma...
PCI
2001
Springer
14 years 4 days ago
2001
Springer
Earthquake phenomena constitute a rich source of information over the years. Typically, the frequency of earthquakes worldwide is one every second. Collecting and querying seismic ...