| Hits ?▲ |
Authors |
Title |
Venue |
Year |
Link |
Author keywords |
| 1 | Turkka Näppilä, Katja Moilanen, Timo Niemi |
A query language for selecting, harmonizing, and aggregating heterogeneous XML data.  |
IJWIS  |
2011 |
DBLP DOI BibTeX RDF |
|
| 1 | Janne Jämsen, Timo Niemi, Kalervo Järvelin |
Derived types in semantic association discovery. |
J. Intell. Inf. Syst. |
2010 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, Turkka Näppilä, Kalervo Järvelin |
A relational data harmonization approach to XML. |
J. Information Science |
2009 |
DBLP DOI BibTeX RDF |
|
| 1 | Turkka Näppilä, Kalervo Järvelin, Timo Niemi |
A tool for data cube construction from structurally heterogeneous XML documents. |
JASIST |
2008 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, Janne Jämsen |
A query language for discovering semantic associations, Part II: sample queries and query evaluation. |
JASIST |
2007 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, Janne Jämsen |
A query language for discovering semantic associations, Part I: Approach and formal definition of query primitives. |
JASIST |
2007 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, Marko Junkkari, Kalervo Järvelin, Samu Viita |
Advanced query language for manipulating complex entities. |
Inf. Process. Manage. |
2004 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, Lasse Hirvonen, Kalervo Järvelin |
Multidimensional Data Model and Query Language for Informetrics. |
JASIST |
2003 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, Marko Junkkari, Kalervo Järvelin |
Relational Deductive Object-Oriented Modeling (RDOOM) Approach for Finding, Representing and Integrating Application-Specific Concepts. |
International Journal of Software Engineering and Knowledge Engineering |
2002 |
DBLP DOI BibTeX RDF |
|
| 1 | Kalervo Järvelin, Jaana Kekäläinen, Timo Niemi |
ExpansionTool: Concept-Based Query Expansion and Construction. |
Inf. Retr. |
2001 |
DBLP DOI BibTeX RDF |
|
| 1 | Kalervo Järvelin, Timo Niemi, Airi Salminen |
The visual query language CQL for transitive and relational computation. |
Data Knowl. Eng. |
2000 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, M. Christensen, Kalervo Järvelin |
Query language approach based on the deductive object-oriented database paradigm. |
Information & Software Technology |
2000 |
DBLP DOI BibTeX RDF |
|
| 1 | Kalervo Järvelin, Timo Niemi |
Integration of complex objects and transitive relationships for information retrieval. |
Inf. Process. Manage. |
1999 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, Kalervo Järvelin |
The processing strategy for the NF2 relational frc-interface. |
Information & Software Technology |
1996 |
DBLP DOI BibTeX RDF |
|
| 1 | Kalervo Järvelin, Jaana Kristensen, Timo Niemi, Eero Sormunen, Heikki Keskustalo |
A Deductive Data Model for Query Expansion. |
SIGIR |
1996 |
DBLP BibTeX RDF |
|
| 1 | Timo Niemi, Kalervo Järvelin |
A Straightforward NF² Relational Interface with Applications in Information Retrieval. |
Inf. Process. Manage. |
1995 |
DBLP DOI BibTeX RDF |
|
| 1 | Kalervo Järvelin, Timo Niemi |
An NF2 Relational Interface For Document Retrieval, Restructuring and Aggregation. |
SIGIR |
1995 |
DBLP BibTeX RDF |
|
| 1 | Kalervo Järvelin, Timo Niemi |
An Entity-Based Approach to Query Processing in Relational Databases. Part I: Entity Type Representation. |
Data Knowl. Eng. |
1993 |
DBLP DOI BibTeX RDF |
|
| 1 | Kalervo Järvelin, Timo Niemi |
An Entity-Based Approach to Query Processing in Relational Databases. Part II: Entity Query Construction and Updating. |
Data Knowl. Eng. |
1993 |
DBLP DOI BibTeX RDF |
|
| 1 | Kalervo Järvelin, Timo Niemi |
Deductive Information Retrieval Based on Classifications. |
JASIS |
1993 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, Kalervo Järvelin |
Advanced Query Formulation in Deductive Databases. |
Inf. Process. Manage. |
1992 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, Kalervo Järvelin |
Operation-oriented query language approach for recursive queries - Part 2. Prototype implementation and its integration with relational databases. |
Inf. Syst. |
1992 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, Kalervo Järvelin |
Operation-oriented query language approach for recursive queries - Part 1. Functional definition. |
Inf. Syst. |
1992 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, Kalervo Järvelin |
Prolog-Based Meta-Rules For Relational Database Representation and Manipulation. |
IEEE Trans. Software Eng. |
1991 |
DBLP DOI BibTeX RDF |
Prolog-based meta-rules, relational database representation, Prolog-based experimental system, well-defined environment, relational databases, knowledge based systems, PROLOG, query optimization, database theory, deductive databases, deductive databases, database design, theoretical foundations, data restructuring |
| 1 | Kalervo Järvelin, Timo Niemi |
Advanced Retrieval From Heterogeneous Fact Databases: Integration of Data Retrieval, Conversion, Aggregation and Deductive Techniques. |
SIGIR |
1991 |
DBLP BibTeX RDF |
|
| 1 | Timo Niemi |
An approach and its specification to data reformatting in data conversion. |
Inf. Syst. |
1988 |
DBLP DOI BibTeX RDF |
|
| 1 | Kalervo Järvelin, Timo Niemi |
Advanced tools for data conversion and database cost modelling. |
Information & Management |
1987 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, Kalervo Järvelin |
Straightforward formalization of the relational model. |
Inf. Syst. |
1985 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi |
Specification of data restructuring software based on the attribute method. |
International Journal of Parallel Programming |
1984 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi, Kalervo Järvelin |
A Straightforward Formalization of the Relational Model. |
SIGMOD Record |
1984 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi |
Specification of a Query Language by the Attribute Method. |
BIT |
1984 |
DBLP BibTeX RDF |
|
| 1 | Timo Niemi |
Formal restructuring functions for hierarchical data bases. |
International Journal of Parallel Programming |
1983 |
DBLP DOI BibTeX RDF |
|
| 1 | Timo Niemi |
A seven-tuple representation for hierarchical data structures. |
Inf. Syst. |
1983 |
DBLP DOI BibTeX RDF |
|
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