Maryland Shared Open Access Repository (USMAI Consortium) · 2006 · 26 citations · 11 references
ComputingComputer ScienceInformation SystemsKnowledge CaptureKnowledge RepresentationNatural Language ProcessingConcept ExtractionExpert SystemsInformation ExtractionKnowledge AcquisitionKnowledge ExtractionText MiningAutomated Data ExtractionInformation Extraction From TextKnowledge Base ArchitectureKnowledge Base ConstructionNamed Entity-based ExtractionWeb Information Extraction
Populating the Cyc Knowledge Base (KB) has been a manual process until very recently. However, there is currently enough knowledge in Cyc for it to be feasible to attempt to acquire additional knowledge autonomously. This paper describes a system that can collect and validate formally represented, fully-integrated knowledge from the Web or any other electronically available text corpus, about various entities of interest (e.g. famous people, organizations, etc.). Experimental results and lessons learned from their analysis are presented.
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A Maximum-Entropy-Inspired Parser
Eugene Charniak · 1999 · 1.5K citations
Language Studies, Computer Science, Computational Linguistics +16
Parsing English with a Link Grammar
Daniel D. Sleator, David Temperley · 1995 · 684 citations · Full text
Learning to construct knowledge bases from the World Wide Web
Mark Craven, Dan DiPasquo, Dayne Freitag et al. · Artificial Intelligence · 2000 · 472 citations
Named entity recognition with character-level models
Dan Klein, Joseph Smarr, Văn Huy Nguyễn et al. · 2003 · 195 citations · Full text