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SIGMOD
2010
ACM
250views Database» more  SIGMOD 2010»
13 years 6 months ago
Expressive and flexible access to web-extracted data: a keyword-based structured query language
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
Jeffrey Pound, Ihab F. Ilyas, Grant E. Weddell
KDD
2004
ACM
210views Data Mining» more  KDD 2004»
14 years 6 months ago
Probabilistic author-topic models for information discovery
We propose a new unsupervised learning technique for extracting information from large text collections. We model documents as if they were generated by a two-stage stochastic pro...
Mark Steyvers, Padhraic Smyth, Michal Rosen-Zvi, T...
JCDL
2005
ACM
161views Education» more  JCDL 2005»
13 years 11 months ago
Downloading textual hidden web content through keyword queries
An ever-increasing amount of information on the Web today is available only through search interfaces: the users have to type in a set of keywords in a search form in order to acc...
Alexandros Ntoulas, Petros Zerfos, Junghoo Cho
CLEF
2007
Springer
13 years 12 months ago
Amharic-English Information Retrieval with Pseudo Relevance Feedback
We describe cross language retrieval experiments using Amharic queries and English language document collection from our participation in the bilingual ad hoc track at the CLEF 20...
Atelach Alemu Argaw
HASKELL
2006
ACM
13 years 11 months ago
Running the manual: an approach to high-assurance microkernel development
We propose a development methodology for designing and prototyping high assurance microkernels, and describe our application of it. The methodology is based on rapid prototyping a...
Philip Derrin, Kevin Elphinstone, Gerwin Klein, Da...