Ari Pirkola
2016
The twist measure for IR evaluation: Taking user's effort into account
Nicola Ferro
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Gianmaria Silvello
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Heikki Keskustalo
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Ari Pirkola
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Kalervo Järvelin
2016 Volume 67 Issue 3
2013
Cumulated Relative Position: A Metric for Ranking Evaluation
Marco Angelini
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Nicola Ferro
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Kalervo Järvelin
|
Heikki Keskustalo
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Ari Pirkola
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Giuseppe Santucci
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Gianmaria Silvello
Proceedings of the 4th Italian Information Retrieval Workshop, Pisa, Italy, January 16-17, 2013
2012
Cumulated Relative Position: A Metric for Ranking Evaluation
Marco Angelini
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Nicola Ferro
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Kalervo Järvelin
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Heikki Keskustalo
|
Ari Pirkola
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Giuseppe Santucci
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Gianmaria Silvello
Information Access Evaluation. Multilinguality, Multimodality, and Visual Analytics - Third International Conference of the CLEF Initiative, CLEF 2012, Rome, Italy, September 17-20, 2012. Proceedings
2009
Test Collection-Based IR Evaluation Needs Extension toward Sessions - A Case of Extremely Short Queries
Heikki Keskustalo
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Kalervo Järvelin
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Ari Pirkola
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Tarun Sharma
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Marianne Lykke
Information Retrieval Technology, 5th Asia Information Retrieval Symposium, AIRS 2009, Sapporo, Japan, October 21-23, 2009. Proceedings
2008
Evaluating the effectiveness of relevance feedback based on a user simulation model: effects of a user scenario on cumulated gain value
Heikki Keskustalo
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Kalervo Järvelin
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Ari Pirkola
2008 Volume 11 Issue 3
Focused web crawling in the acquisition of comparable corpora
Tuomas Talvensaari
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Ari Pirkola
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Kalervo Järvelin
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Martti Juhola
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Jorma Laurikkala
2008 Volume 11 Issue 5
Intuition-supporting visualization of user's performance based on explicit negative higher-order relevance
Heikki Keskustalo
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Kalervo Järvelin
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Ari Pirkola
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Jaana Kekäläinen
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008
A Novel Implementation of the FITE-TRT Translation Method
Aki Loponen
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Ari Pirkola
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Kalervo Järvelin
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Heikki Keskustalo
Advances in Information Retrieval , 30th European Conference on IR Research, ECIR 2008, Glasgow, UK, March 30-April 3, 2008. Proceedings
2007
Frequency-based identification of correct translation equivalents (FITE) obtained through transformation rules
Ari Pirkola
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Jarmo Toivonen
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Heikki Keskustalo
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Kalervo Järvelin
2007 Volume 26 Issue 1
2006
The Effects of Relevance Feedback Quality and Quantity in Interactive Relevance Feedback: A Simulation Based on User Modeling
Heikki Keskustalo
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Kalervo Järvelin
|
Ari Pirkola
Advances in Information Retrieval, 28th European Conference on IR Research, ECIR 2006, London, UK, April 10-12, 2006, Proceedings
2005
Translating cross-lingual spelling variants using transformation rules
Jarmo Toivonen
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Ari Pirkola
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Heikki Keskustalo
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Kari Visala
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Kalervo Järvelin
2005 Volume 41 Issue 4
TREC 2005 Genomics Track Experiments at UTA
Ari Pirkola
Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005
2004
Dictionary-Based Cross-Language Information Retrieval: Learning Experiences from CLEF 2000-2002
Turid Hedlund
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Eija Airio
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Heikki Keskustalo
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Raija Lehtokangas
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Ari Pirkola
|
Kalervo Järvelin
2004 Volume 7 Issue 1-2
TREC 2004 Genomics Track Experiments at UTA: The Effects of Primary Keys, Bigram Phrases and Query Expansion on Retrieval Performance
Ari Pirkola
Proceedings of the Thirteenth Text REtrieval Conference, TREC 2004, Gaithersburg, Maryland, USA, November 16-19, 2004
2003
Applying query structuring in cross-language retrieval
Ari Pirkola
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Deniz Puolamäki
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Kalervo Järvelin
2003 Volume 39 Issue 3
Multilingual Experiments of UTA at CLEF 2003: The Impact of Different Merging Strategies and Word Normalizing Tools
Eija Airio
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Heikki Keskustalo
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Turid Hedlund
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Ari Pirkola
Working Notes for CLEF 2003 Workshop co-located with the 7th European Conference on Digital Libraries (ECDL 2003), Trondheim, Norway, August 21-22, 2003
The Impact of Word Normalization Methods and Merging Strategies on Multilingual IR
Eija Airio
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Heikki Keskustalo
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Turid Hedlund
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Ari Pirkola
Comparative Evaluation of Multilingual Information Access Systems, 4th Workshop of the Cross-Language Evaluation Forum, CLEF 2003, Trondheim, Norway, August 21-22, 2003, Revised Selected Papers
Non-adjacent Digrams Improve Matching of Cross-Lingual Spelling Variants
Heikki Keskustalo
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Ari Pirkola
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Kari Visala
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Erkka Leppänen
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Kalervo Järvelin
String Processing and Information Retrieval, 10th International Symposium, SPIRE 2003, Manaus, Brazil, October 8-10, 2003, Proceedings
TREC 2003 Genomics Track Experiments at UTA: Query Expansion with Predefinded High Frequency Terms
Ari Pirkola
|
Erkka Leppänen
Proceedings of The Twelfth Text REtrieval Conference, TREC 2003, Gaithersburg, Maryland, USA, November 18-21, 2003
Fuzzy translation of cross-lingual spelling variants
Ari Pirkola
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Jarmo Toivonen
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Heikki Keskustalo
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Kari Visala
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Kalervo Järvelin
SIGIR 2003: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 28 - August 1, 2003, Toronto, Canada
2002
UTACLIR @ CLEF 2002: Towards a Unified Translation Process Model
Eija Airio
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Heikki Keskustalo
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Turid Hedlund
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Ari Pirkola
Working Notes for CLEF 2002 Workshop co-located with the 6th European Conference on Digital Libraries (ECDL 2002), Rome, Italy, September 19-20, 2002
Bilingual and Multilingual Runs with a Unified Process
Eija Airio
|
Heikki Keskustalo
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Turid Hedlund
|
Ari Pirkola
Advances in Cross-Language Information Retrieval, Third Workshop of the Cross-Language Evaluation Forum, CLEF 2002. Rome, Italy, September 19-20, 2002. Revised Papers
2001
Dictionary-Based Cross-Language Information Retrieval: Problems, Methods, and Research Findings
Ari Pirkola
|
Turid Hedlund
|
Heikki Keskustalo
|
Kalervo Järvelin
2001 Volume 4 Issue 3-4
Aspects of Swedish morphology and semantics from the perspective of mono- and cross-language information retrieval
Turid Hedlund
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Ari Pirkola
|
Kalervo Järvelin
2001 Volume 37 Issue 1
Employing the resolution power of search keys
Ari Pirkola
|
Kalervo Järvelin
2001 Volume 52 Issue 7
UTACLIR @ CLEF 2001: New Features for Handling Compound Words and Untranslatable Proper Names
Turid Hedlund
|
Heikki Keskustalo
|
Ari Pirkola
|
Eija Airio
|
Kalervo Järvelin
Working Notes for CLEF 2001 Workshop co-located with the 5th European Conference on Digital Libraries (ECDL 2001), Darmstadt, Germany, September 3-4, 2001
Utaclir @ CLEF 2001 - Effects of Compound Splitting and N-Gram Techniques
Turid Hedlund
|
Heikki Keskustalo
|
Ari Pirkola
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Eija Airio
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Kalervo Järvelin
Evaluation of Cross-Language Information Retrieval Systems, Second Workshop of the Cross-Language Evaluation Forum, CLEF 2001, Darmstadt, Germany, September 3-4, 2001, Revised Papers
2000
Bilingual Tests with Swedish, Finnish, and German Queries: Dealing with Morphology, Compound Words, and Query Structure
Turid Hedlund
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Heikki Keskustalo
|
Ari Pirkola
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Mikko Sepponen
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Kalervo Järvelin
Cross-Language Information Retrieval and Evaluation, Workshop of Cross-Language Evaluation Forum, CLEF 2000, Lisbon, Portugal, September 21-22, 2000, Revised Papers
Bilingual Tests with Swedish, Finnish and German Queries
Turid Hedlund
|
Heikki Keskustalo
|
Ari Pirkola
|
Mikko Sepponen
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Kalervo Järvelin
Working Notes for CLEF 2000 Workshop co-located with the 4th European Conference on Digital Libraries (ECDL 2000), Lisbon, Portugal, September 21-22, 2000
1999
The Effects of Conjunction, Facet Structure, and Dictionary Combinations in Concept-Based Cross-Language Retrieval
Ari Pirkola
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Heikki Keskustalo
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Kalervo Järvelin
1999 Volume 1 Issue 3
1998
The Effects of Query Structure and Dictionary Setups in Dictionary-Based Cross-Language Information Retrieval
Ari Pirkola
SIGIR '98: Proceedings of the 21st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 24-28 1998, Melbourne, Australia
1996
The Effect of Anaphor and Ellipsis Resolution on Proximity Searching in a Text Database
Ari Pirkola
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Kalervo Järvelin
1996 Volume 32 Issue 2
Co-authors
- Kalervo Järvelin 24
- Heikki Keskustalo 23
- Turid Hedlund 11
- Eija Airio 7
- Nicola Ferro 3
- show all...