 | 2008 |
|---|
| 27 |       | Turkka Näppilä,
Kalervo Järvelin,
Timo Niemi:
A tool for data cube construction from structurally heterogeneous XML documents.
JASIST 59(3): 435-449 (2008) |
| 2007 |
|---|
| 26 | | Timo Niemi,
Janne Jämsen:
A query language for discovering semantic associations, Part I: Approach and formal definition of query primitives.
JASIST 58(11): 1559-1568 (2007) |
| 25 | | Timo Niemi,
Janne Jämsen:
A query language for discovering semantic associations, Part II: sample queries and query evaluation.
JASIST 58(11): 1686-1700 (2007) |
| 2004 |
|---|
| 24 | | Timo Niemi,
Marko Junkkari,
Kalervo Järvelin,
Samu Viita:
Advanced query language for manipulating complex entities.
Inf. Process. Manage. 40(6): 869-889 (2004) |
| 2003 |
|---|
| 23 | | Timo Niemi,
Lasse Hirvonen,
Kalervo Järvelin:
Multidimensional Data Model and Query Language for Informetrics.
JASIST 54(10): 939-951 (2003) |
| 2002 |
|---|
| 22 | | 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 12(4): 415-452 (2002) |
| 2001 |
|---|
| 21 |  | Kalervo Järvelin,
Jaana Kekäläinen,
Timo Niemi:
ExpansionTool: Concept-Based Query Expansion and Construction.
Inf. Retr. 4(3-4): 231-255 (2001) |
| 2000 |
|---|
| 20 | | Kalervo Järvelin,
Timo Niemi,
Airi Salminen:
The visual query language CQL for transitive and relational computation.
Data Knowl. Eng. 35(1): 39-51 (2000) |
| 19 | | Timo Niemi,
M. Christensen,
Kalervo Järvelin:
Query language approach based on the deductive object-oriented database paradigm.
Information & Software Technology 42(11): 777-792 (2000) |
| 1999 |
|---|
| 18 | | Kalervo Järvelin,
Timo Niemi:
Integration of complex objects and transitive relationships for information retrieval.
Inf. Process. Manage. 35(5): 655-678 (1999) |
| 1996 |
|---|
| 17 | | Kalervo Järvelin,
Jaana Kristensen,
Timo Niemi,
Eero Sormunen,
Heikki Keskustalo:
A Deductive Data Model for Query Expansion.
SIGIR 1996: 235-243 |
| 16 | | Timo Niemi,
Kalervo Järvelin:
The processing strategy for the NF2 relational frc-interface.
Information & Software Technology 38(1): 11-24 (1996) |
| 1995 |
|---|
| 15 | | Kalervo Järvelin,
Timo Niemi:
An NF2 Relational Interface For Document Retrieval, Restructuring and Aggregation.
SIGIR 1995: 102-110 |
| 14 | | Timo Niemi,
Kalervo Järvelin:
A Straightforward NF² Relational Interface with Applications in Information Retrieval.
Inf. Process. Manage. 31(2): 215-231 (1995) |
| 1993 |
|---|
| 13 | | Kalervo Järvelin,
Timo Niemi:
An Entity-Based Approach to Query Processing in Relational Databases. Part I: Entity Type Representation.
Data Knowl. Eng. 10: 117-150 (1993) |
| 12 | | Kalervo Järvelin,
Timo Niemi:
An Entity-Based Approach to Query Processing in Relational Databases. Part II: Entity Query Construction and Updating.
Data Knowl. Eng. 10: 151-186 (1993) |
| 11 | | Kalervo Järvelin,
Timo Niemi:
Deductive Information Retrieval Based on Classifications.
JASIS 44(10): 557-578 (1993) |
| 1992 |
|---|
| 10 | | Timo Niemi,
Kalervo Järvelin:
Advanced Query Formulation in Deductive Databases.
Inf. Process. Manage. 28(2): 181-200 (1992) |
| 9 | | Timo Niemi,
Kalervo Järvelin:
Operation-oriented query language approach for recursive queries - Part 1. Functional definition.
Inf. Syst. 17(1): 49-75 (1992) |
| 8 | | Timo Niemi,
Kalervo Järvelin:
Operation-oriented query language approach for recursive queries - Part 2. Prototype implementation and its integration with relational databases.
Inf. Syst. 17(1): 77-106 (1992) |
| 1991 |
|---|
| 7 | | Kalervo Järvelin,
Timo Niemi:
Advanced Retrieval From Heterogeneous Fact Databases: Integration of Data Retrieval, Conversion, Aggregation and Deductive Techniques.
SIGIR 1991: 173-182 |
| 6 | | Timo Niemi,
Kalervo Järvelin:
Prolog-Based Meta-Rules For Relational Database Representation and Manipulation.
IEEE Trans. Software Eng. 17(8): 762-788 (1991) |
| 1988 |
|---|
| 5 | | Timo Niemi:
An approach and its specification to data reformatting in data conversion.
Inf. Syst. 13(1): 31-51 (1988) |
| 1985 |
|---|
| 4 | | Timo Niemi,
Kalervo Järvelin:
Straightforward formalization of the relational model.
Inf. Syst. 10(1): 65-76 (1985) |
| 1984 |
|---|
| 3 | | Timo Niemi:
Specification of a Query Language by the Attribute Method.
BIT 24(2): 171-186 (1984) |
| 2 | | Timo Niemi,
Kalervo Järvelin:
A Straightforward Formalization of the Relational Model.
SIGMOD Record 14(1): 15-38 (1984) |
| 1983 |
|---|
| 1 | | Timo Niemi:
A seven-tuple representation for hierarchical data structures.
Inf. Syst. 8(3): 151-157 (1983) |
