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A deductive data model for query expansion
1996
Proceedings of the 19th annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR '96
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The data model supports a concept-based query expansion and formulation tool, the ExpansionTool, for heterogeneous IR system envirom ments, Expansion is controlled by adjustable matching reliability. ...
We present a deductive data model for conceptbased query expansion. It ]s based on three abstraction levels: the conceptual, linguistic and occurrence levels. ...
CONCEPT-BASED
QUERY
EXPANSION
3.1. ...
doi:10.1145/243199.248146
dblp:conf/sigir/JarvelinKNSK96
fatcat:7h75n74kefdllp7hpizt2fq7ke
The impact of query structure and query expansion on retrieval performance
1998
Proceedings of the 21st annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR '98
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QE was based on concepts, which were first selected from a conceptual model, and then expanded by semantic relationships given in the model. ...
The expansion levels were (a) no expansion, (b) a synonym expansion, (c) a narrower concept expansion, (d) an associative concept expansion, and (e) a cumulative expansion of all other expansions. ...
This study was funded by Emil Aaltosen Säätiö, Pirkanmaan Kulttuurirahasto, and National Multimedia Project, KaMu-Tila. ...
doi:10.1145/290941.290978
dblp:conf/sigir/KekalainenJ98
fatcat:mlw7db4wbfb3nbmlhsl4vsvdg4
Learning Information Retrieval through an Educational Game. Is Gaming sufficient for learning?
2000
Education for Information
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A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2005; you can also visit the original URL.
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The IR Game is based on idea that test collections used in laboratorybased IR experiments could be used in instruction as a rapid query analysis tool. ...
The perceived usefulness of features like query performancefeedback, visualization of serch results, comparison of queries, document browsing and help facilities are discussed. ...
The technical and instructional development of IR Game continues, based on the findings of user evaluation and observations from learning situations complemented with conceptions of learning environments ...
doi:10.3233/efi-2000-18403
fatcat:3uu4cvmoqrfkbp54qukrrurory