Timo Niemi


1991

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Advanced Retrieval From Heterogeneous Fact Databases: Integration of Data Retrieval, Conversion, Aggregation and Deductive Techniques
Kalervo Järvelin | Timo Niemi
Proceedings of the 14th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Chicago, Illinois, USA, October 13-16, 1991 (Special Issue of the SIGIR Forum)

1992

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Advanced Query Formulation in Deductive Databases
Timo Niemi | Kalervo Järvelin
1992 Volume 28 Issue 2

1993

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Deductive Information Retrieval Based on Classifications
Kalervo Järvelin | Timo Niemi
1993 Volume 44 Issue 10

1995

doi dblp
An NF^ Relational Interface For Document Retrieval, Restructuring and Aggregation
Kalervo Järvelin | Timo Niemi
SIGIR'95, Proceedings of the 18th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Seattle, Washington, USA, July 9-13, 1995 (Special Issue of the SIGIR Forum)

doi dblp
A Straightforward NF^2 Relational Interface with Applications in Information Retrieval
Timo Niemi | Kalervo Järvelin
1995 Volume 31 Issue 2

1996

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A Deductive Data Model for Query Expansion
Kalervo Järvelin | Jaana Kristensen | Timo Niemi | Eero Sormunen | Heikki Keskustalo
Proceedings of the 19th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR'96, August 18-22, 1996, Zurich, Switzerland (Special Issue of the SIGIR Forum)

1999

doi dblp
Integration of complex objects and transitive relationships for information retrieval
Kalervo Järvelin | Timo Niemi
1999 Volume 35 Issue 5

2001

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ExpansionTool: Concept-Based Query Expansion and Construction
Kalervo Järvelin | Jaana Kekäläinen | Timo Niemi
2001 Volume 4 Issue 3-4

2003

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Multidimensional Data Model and Query Language for Informetrics
Timo Niemi | Lasse Hirvonen | Kalervo Järvelin
2003 Volume 54 Issue 10

2004

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Advanced query language for manipulating complex entities
Timo Niemi | Marko Junkkari | Kalervo Järvelin | Samu Viita
2004 Volume 40 Issue 6

2007

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A query language for discovering semantic associations, Part I: Approach and formal definition of query primitives
Timo Niemi | Janne Jämsen
2007 Volume 58 Issue 11

doi dblp
A query language for discovering semantic associations, Part II: sample queries and query evaluation
Timo Niemi | Janne Jämsen
2007 Volume 58 Issue 11

2008

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A tool for data cube construction from structurally heterogeneous XML documents
Turkka Näppilä | Kalervo Järvelin | Timo Niemi
2008 Volume 59 Issue 3

2015

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A visual XML dataspace approach for satisfying ad hoc information needs
Katja Moilanen | Timo Niemi | Turkka Näppilä | Mikko Kuru
2015 Volume 66 Issue 11