2095 search results - page 223 / 419 » Modeling and Querying Semi-structured Data |
326
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STOC
2012
ACM
13 years 9 months ago
2012
ACM
In this paper we develop a new technique for proving lower bounds on the update time and query time of dynamic data structures in the cell probe model. With this technique, we pro...
261
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
This paper proposes a demo of the TopX search engine, an extensive framework for unified indexing, querying, and ranking of large collections of unstructured, semistructured, and ...
150
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PRL
2008
15 years 6 months ago
2008
We consider an active learning game within a transductive learning model. A major problem with many active learning algorithms is that an unreliable current hypothesis can mislead...
166
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IJON
2007
15 years 6 months ago
2007
In this article, we extend a local prototype-based learning model by active learning, which gives the learner the capability to select training samples and thereby increase speed a...
305
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ICDE
2004
IEEE
16 years 7 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...