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» A Natural Language Query Interface to Structured Information
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SIGMOD
2008
ACM
92views Database» more  SIGMOD 2008»
14 years 8 months ago
Information extraction challenges in managing unstructured data
Over the past few years, we have been trying to build an end-to-end system at Wisconsin to manage unstructured data, using extraction, integration, and user interaction. This pape...
AnHai Doan, Jeffrey F. Naughton, Raghu Ramakrishna...
JCSS
2000
71views more  JCSS 2000»
13 years 7 months ago
Path Constraints in Semistructured Databases
We investigate a class of path constraints that is of interest in connection with both semistructured and structured data. In standard database systems, constraints are typically ...
Peter Buneman, Wenfei Fan, Scott Weinstein
EMNLP
2009
13 years 5 months ago
Mining Search Engine Clickthrough Log for Matching N-gram Features
User clicks on a URL in response to a query are extremely useful predictors of the URL's relevance to that query. Exact match click features tend to suffer from severe data s...
Huihsin Tseng, Longbin Chen, Fan Li, Ziming Zhuang...
21
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ACTA
2002
86views more  ACTA 2002»
13 years 8 months ago
Deriving and paraphrasing information grammars using object-oriented analysis models
Abstract. In this paper the focus is on object-oriented analysis of information systems. We assume that the communication within an application domain can be described by a logbook...
Paul J. M. Frederiks, Theo P. van der Weide
COOPIS
1997
IEEE
14 years 8 days ago
Semi-Automatic Wrapper Generation for Internet Information Sources
To simplify the task of obtaining information from the vast number of information sources that are available on the World Wide Web (WWW), we are building tools to build informatio...
Naveen Ashish, Craig A. Knoblock