FIRE archive

2008

Airio, E. (2008). Who benefits from CLIR in web retrieval? Journal of Documentation 64(5), 760-778. Preprint .
Järvelin, A. & Järvelin, A. (2008). Comparison of s-gram Proximity Measures in Out-of-Vocabulary Word Translatiion. In: 15th String Processing and Information Retrieval Symposium, Melbourne, Australia, November 10-12, 2008. To appear. Preprint .
Järvelin, A. & Talvensaari, T. & Järvelin, A. (2008). Data Driven Methods for Improving Mono- and Cross-Lingual IR Performance in Noisy Environments. In Lopresti, D. & al. (Eds.) Proc. of the Analytics for Noisy Unstructured Text Data Workshop, Singapore, July 24, 2008. Preprint .
Järvelin, K. & Persson, O. (2008). The DCI-index: Discounted Cumulated Impact based Research Evaluation. Journal of the American Society for Information Science and Technology (JASIST) 59(9): 1433-1440. Corrected preprint
Järvelin, K. & Persson, O. (2008). Errata: The DCI Index. Journal of the American Society for Information Science and Technology (JASIST) 59, to appear. Preprint
Järvelin, K. & Price, S. & Delcambre, L. & Nielsen, M. (2008). Discounted Cumulated Gain based Evaluation of Multiple-Query IR Sessions. In: Ruthven, I. & al. (Eds.), Proc. of the 30th European Conference on Information Retrieval (ECIR 2008), Glasgow, April 2008. Heidelberg: Springer, Lecture Notes in Computer Science vol. vol. 4956, pp. 4-15. Preprint .
Keskustalo, H., Järvelin, K. & Pirkola, A. (2008). Evaluating the Effectiveness of Relevance Feedback Based on a User Simulation Model: Effects of a User Scenario on Cumulated Gain Value. Information Retrieval 11(5): 209-228. Preprint
Kettunen, K. (2008a). Reductive and Generative Approaches to Management of Morphological Variation of Keywords in Monolingual Information Retrieval - an Overview. Journal of Documentation (to appear).
Kettunen, K. (2008b). Automatic Generation of Frequent Case Forms of Query Keywords in Text Retrieval. In Nordström, B. and Ranta, A. (eds.), Advances in Natural Language Processing, GoTAL 2008, LNAI 5221, 222-236 (to appear). Preprint
Kettunen, K. (2008c). Frequent Case Form Generation of Query Keywords in Text Retrieval . In Nuno Guimarães, N. & Isais, P. (eds.), Proceedings of IADIS International Conference Applied Computing, 164-170.
Lehtokangas, R. & Keskustalo, H. & Järvelin, K. (2008). Experiments with Transitive Dictionary Translation and Pseudo-Relevance Feedback Using Graded Relevance Assessments. Journal of the American Society for Information Science and Technology (JASIST) 59(3), 476-488. Preprint .
Loponen, A. & Pirkola, A. & Järvelin, K. (2008). An Effective Implementation of the FITE-TRT Method for OOV Word Translation. In: Ruthven, I. & al. (Eds.), Proc. of the 30th European Conference on Information Retrieval (ECIR 2008), Glasgow, April 2008. Heidelberg: Springer, Lecture Notes in Computer Science vol. vol. 4956, pp. 138-149. Preprint .
Näppilä, T. & Järvelin, K. & Niemi, T. (2008). A Tool for Data Cube Construction from Structurally Heterogeneous XML Documents. Journal of the American Society for Information Science and Technology 59(3): 435-449. Preprint
Pirkola, A. & Toivonen, J. & Keskustalo, H. & Järvelin, K. (2007). Frequency-based identification of correct translation equivalents (FITE) obtained through transformation rules. ACM Transactions on Information Systems (TOIS) 26(1): article 2. Preprint .
Talvensaari, T. Effects of Aligned Corpus Quality and Size in Corpus-based CLIR. In: Ruthven, I. & al. (Eds.), Proc. of the 30th European Conference on Information Retrieval (ECIR 2008), Glasgow, April 2008. Heidelberg: Springer, Lecture Notes in Computer Science vol. vol. 4956, pp. 114-125. Preprint .
Talvensaari, T. & Pirkola, A. & Järvelin, K. & Juhola, M. & Laurikkala, J. (2008). Focused Web Crawling in the Acquisition of Comparable Corpora. Information Retrieval 11(5): 427-445, accepted for publication. Preprint .

2007

Airio, E., Sormunen, E., Halttunen, K. & Keskustalo, H. (2007). Integrating Standard Test Collections in Interactive IR Instruction. In: First International Workshop on Teaching and Learning of Information Retrieval (TLIR 2007). London, UK. 10 January 2007. [Available at http://www.bcs.org/server.php?show=ConWebDoc.8783]
Ingwersen, P. & Järvelin, K. (2007). On the Holistic Cognitive Theory for Information Retrieval: Drifting Outside the Border of the Laboratory Framework. In: Dominic, S,. & Kiss, F. (Eds.), Studies in the Theory of Information Retrieval (ICTIR 2007). Budapest, Hungary: Foundation for Information Society, pp 135-147. Preprint
Järvelin, A., Järvelin, A. & Järvelin, K. (2007). s-grams: Defining Generalized n-grams for Information Retrieval. Information Processing & Management 43(4): 1005-1019. (Preprint )
Järvelin, K. (2007). An Analysis of Two Approaches in Information Retrieval: From Frameworks to Study Designs. Journal of the American Society for Information Science and Technology 58(7): 971-986. Preprint
Kettunen, K. & Airio, E. & Järvelin, K. (2007). Restricted inflectional form generation in management of morphological keyword variation. Information Retrieval 10(4-5):415-444. (DOI 10.1007/s10791-007-9030-z). Preprint.
Kettunen, Kimmo 2007. Management of Keyword Variation with Frequency Based Generation of Word Forms in IR. In Proceedings of SIGIR'07, 691-693.
Kettunen, Kimmo 2007. Managing Keyword Variation with Frequency Based Generation of Word Forms in IR. In J. Nivre, H-J Kaalep, K. Muischnek and M. Koit (Eds.), Proceedings of Nodalida 2007, 318-323.
Lehtokangas, R. & Keskustalo, H. & Järvelin, K. (2006). Highly Relevant Documents Lost in CLIR: Experiments with Dictionary Translation and Pseudo-Relevance Feedback. Information Retrieval 10(xxx): xxx-xxx, to appear. Preprint
Pirkola, A. (2006). The problem of gene name synonymy from the information retrieval perspective. Journal of the American Society for Information Science and Technology. To appear.
Pirkola, A. & Toivonen, J. & Keskustalo, H. & Järvelin, K. (2006). FITE-TRT: A High Quality Translation Technique for OOV Words. In: Wainwright, R.L. & al. (Eds.) Proceedings of the 21st Annual ACM Symposium on Applied Computing. Dijon, France, April 23 -27, 2006, pp. Xx-xx. To appear. Preprint Abstract
Talvensaari, T., Laurikkala, J., Järvelin, K. & Juhola M. (2007) "Creating and exploiting a comparable corpus in cross-language information retrieval" to appear in ACM Transactions on Information Systems (ACM TOIS) 25 (2007). (preprint)
Talvensaari, T., Laurikkala, J., Järvelin, K. & Juhola M. (2007). Creating and exploiting a comparable corpus in cross-language information retrieval. ACM Transactions on Information Systems (ACM TOIS) 25 (1): article 4.
Talvensaari, T., Laurikkala, J., Järvelin, K. & Juhola M. (2007). Corpus-based CLIR in retrieval of highly relevant documents. Journal of the American Society for Information Science and Technology 58(3): 322-334. Preprint

2006

Airio, E. (2006). Word Normalization and Decompounding in Mono- and Bilingual IR. Information Retrieval 9(3): 249-271. (pdf)
Keskustalo, H. & Järvelin, K. & Pirkola, A. (2006). The Effects of Relevance Feedback Quality and Quantity in Interactive Relevance Feedback: A Simulation Based on User Modelling. In: Lalmas, M. & al. (Eds.), 28th European Conference on Information Retrieval ECIR?06, London, April 2006. Heidelberg: Springer, Lecture Notes in Computer Science vol. 3936, pp. 191-204. (Preprint in PDF)
Kettunen, K.& Airio, E. 2006. Is a morphologically complex language really that complex in full-text retrieval? In T. Salakoski et al. (Eds.): Advances in Natural Language Processing, LNAI 4139, pp. 411 - 422, 2006. Springer-Verlag Berlin Heidelberg. (pdf)
Järvelin, A., Kumpulainen, S., Pirkola, A. & Sormunen, E. (2006). Dictionary-independent translation in CLIR between closely related languages. In: de Jong, F.M.G. and Kraaij, W. (Eds.): 6th Dutch-Belgian Information Retrieval Workshop (DIR 2006). Neslia Paniculata: Enschede. [Available at http://hmi.ewi.utwente.nl/dir2006/abstracts/jarvelin_paper.pdf]
Kettunen, K. (2006) Developing an automatic linguistic truncation operator for best-match retrieval of Finnish in inflected word form text database indexes. Journal of Information Science 32(5), 465-479 (Preprint in PDF)
Kettunen, K., Sadeniemi, M., Lindh-Knuutila, T. & Honkela, T. 2006. Analysis of EU Languages through Text Compression. In T. Salakoski et al. (Eds.): Advances in Natural Language Processing, LNAI 4139, pp. 99 - 109, 2006. Springer-Verlag Berlin Heidelberg. (pdf )
Markkula, M. & Sormunen, E. (2006). Video needs at the different stages of television program making process. In: Proceedings of the 1st international conference on Information interaction in context (IIiX), ACM International Conference Proceeding Series 176():111-118. ACM Press. [Available at: http://portal.acm.org/citation.cfm?id=1164844]
Talvensaari, T., Laurikkala, J., Järvelin, K. & Juhola M. (2006). A study on automatic creation of a comparable document collection in cross-language information retrieval. Journal of Documentation 62(3): 372-387. ( Preprint in PDF )
Vakkari, P. & Järvelin, K. (2006). Explanation in Information Seeking and Retrieval.
In: Spink, A. & Cole, C. (ed.), New Directions in Cognitive Information Retrieval. Berlin: Springer, The Information Retrieval Series, Vol.19, 2005, pp. 113-138. (Preprint in PDF)

2005

Halttunen, K. & Järvelin, K. (2005) Assessing learning outcomes in two information retrieval learning environments. Information Processing & Management 41(2005):4, 949-972 (Preprint in PDF)
Kettunen, K., Kunttu, T. & Järvelin, K. (2005). To stem or lemmatize a highly inflectional language in a probabilistic IR environment? Journal of Documentation 61(xxx): xxx-xxx, to appear.(pdf)
Korenius, T., Laurikkala, J., Juhola, M. & Järvelin, K. (2005). Hierarchical Clustering of a Finnish Newspaper Article Collection with Graded Relevance Assessments. Information Retrieval 9(xxx): xxx-xxx, to appear.(pdf)
Lehtokangas, R., Keskustalo H. & Järvelin K. (2005) Dictionary-Based CLIR Loses Highly Relevant Documents. In: Losada D and Fernandez-Luna J, eds. Advances in Information Retrieval, Proceedings of the 27th European Conference on IR Research, ECIR 2005, Santiago de Compostela, Spain. Lecture Notes in Computer Science, 3408. Berlin: Springer, 421-432. (pdf)
Pharo, N. & Järvelin, K. (2005) “Irrational” searchers and IR-rational researchers. Journal of the American Society for Information Science and Technology X(xxx): xxx-xxx, to appear.(pdf)
Pirkola, A. (2005). TREC 2004 Genomics track experiments at UTA: The effects of primary keys, bigram phrases and query expansion on retrieval performance. The Thirtheenth TExt REtrieval conference, Gaithersburg, MD. Available at: http://trec.nist.gov/pubs/trec13/t13_proceedings.html
Serola, S. & Vakkari, P. (2005). The anticipated and assessed contribution of information types in references retrieved for preparing a research proposal. Journal of the American Society for Information Science and Technology 56(4):373-381. (pdf)
Toivonen, J., Pirkola, A., Keskustalo, H., Visala, K. & Järvelin, K. (2005). Translating cross-lingual spelling variants using transformation rules. Information Processing & Management, 41(4): 859-872. (pdf)

2004

Cosijn, E., Keskustalo, H., Pirkola, A., de Wet, K. & Järvelin, K. (2004). Afrikaans-English cross-language information retrieval (pdf)
Demetriou, G., Skadina, I., Keskustalo H., Karlgren, J., Deksne, D., Petrelli, D., Hansen, P., Gaizauskas, R. & Sanderson, M. (2004) Cross Lingual Document Retrieval, Categorisation and Navigation Based on Distributed Services. Accepted, Baltic HLT Conference 2004. http://www.dcs.shef.ac.uk/research/groups/nlp/clarity/papers/BalticHLT04.pdf
Halttunen, K. & Järvelin, K. (2004). Assessing learning outcomes in two information retrieval learning environments. Information Processing & Management. Published online 1.4.2004. (text)
Hansen, P. & Järvelin, K. (2004). Collaborative information retrieval in an information-intensive domain. Information Processing & Management 40(xxx): xxx-xxx, in press.[Preprint] [Final Publication in ScienceDirect]. (pdf)
Hansen, P. & Järvelin, K. (2004). Collaborative Information Searching in an Information-Intensive Work Domain: Preliminary Results. Journal of Digital Information Management, 2(1), 26-29.
Kettunen, K. (2004). Covering the morphological variation of Finnish query nouns in a probabilistic best-match system. In The First Baltic Conference, Human Language technologies - The Baltic Perspective. Riga, Latvia. April 21-22, 2004, 73 - 80.(pdf)
Korenius, T., Laurikkala, J., Järvelin, K. & Juhola, M. (2004). Stemming and lemmatization on the clustering of Finnish text documents. In: Proc. of ACM CIKM 2004.(pdf)
Lehtokangas, R. & Airio, E. & Järvelin, K. (2004). Transitive dictionary translation challenges direct dictionary translation in CLIR. Information Processing & Management 40(6): 973-988.(pdf)
Niemi, T. & Junkkari, M. & Järvelin, K. & Viita, S. (2004). Advanced query language for manipulating complex entities. Information Processing & Management 40(6): 869-889.(pdf)
Pharo, N. & Järvelin, K. (2004). The SST method: a tool for analyzing Web information search processes. Information Processing & Management 40: 633-654.(pdf)
Pirkola, A. (2004). Genomics information retrieval: Challenges, problems and empirical findings. Third biennial DISSAnet Conference, Pretoria, South Africa, October 28 – 29, 2004
Available at: http://www.dissanet.com/jsp/modules/repository/index.jsp?repository=Library
Pirkola, A. and Leppänen, E. (2004). TREC 2003 genomics track experiments at UTA: query expansion with predefined high frequency terms. The Twelfth TExt REtrieval conference, Gaithersburg, MD.
Available at: http://trec.nist.gov/pubs/trec12/t12_proceedings.html
Toivonen, J. & Pirkola, A. & Keskustalo, H. & Visala, K. & Järvelin, K. (2004). Translating cross-lingual spelling variants using transformation rules. Information Processing & Management 40(xxx): xxx-xxx, in press.(pdf)
Vakkari, P. & Sormunen, E. (2004). The influence of relevance levels on the effectiveness of interactive IR. Journal of the American Society for Information Science and Technology 55(11):963-969. [Available at http://www3.interscience.wiley.com/cgi-bin/fulltext/108069807/HTMLSTART]

2003

Halttunen, K. (2003). Scaffolding performance in IR instruction : exploring learning experiences and performance in two learning environments. Journal of Information Science 29(2003):5, 375-390. (Preprint in PDF)
Halttunen, K. (2003). Students' conceptions of information retrieval : implications for design of learning environments. Library and Information Science Research 25(2003):3, 307-332. (Preprint in PDF)
Hedlund, T., Airio, E., Keskustalo, H., Lehtokangas, R., Pirkola, A. & Järvelin, K. (2003) Dictionary-based cross-language information retrieval: Learning experiences from CLEF 2000-2002. Information Retrieval 7(1/2): 99-119.(pdf)
Järvelin, K. & Wilson, T.D. (2003). On conceptual models for information seeking and retrieval research. Information Research, 9(1) paper 163 [Available at http://InformationR.net/ir/9-1/paper163.html]
Keskustalo, H. & Pirkola, A. & Visala, K. & Leppänen, Erkka & Järvelin, K. (2003). Non-adjacent Digrams Improve Matching of Cross-Lingual Spelling Variants. In: Nascimento, M.A., de Moura, E.S., Oliveira, A.L, (Eds.). Proceedings of the 10th International Symposium, SPIRE 2003. Manaus, Brazil, October 2003. Berlin: Springer, Lecture Notes in Computer Science 2857, pp. 252 - 265. ISSN 0302-9743, ISBN 3-540-20177-7.
Niemi, T. & Hirvonen, L. & Järvelin, K. (2003). Multidimensional Data Model and Query Language for Informetrics. Journal of the American Society for Information Science and Technology 54(xxx), to appear.(pdf)
Pirkola, A. & Puolamäki, D. & Järvelin, K. (2003). Applying query structuring in cross-language retrieval. Information Processing & Management 38(xxx): xxx- xxx, in press. (pdf)
Pirkola, A. & Toivonen, J. & Keskustalo, H. & Visala, K. & Järvelin, K. (2003). Fuzzy Translation of Cross-Lingual Spelling Variants. In: Callan, J. & Hawking, D. & Smeaton, A. & Clarke, C. (ed.). Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (ACM SIGIR '03), Toronto, Canada, July 28 – August 1, 2003. New York, NY: ACM Press, pp. 345 - 352. (pdf)

2002

Cosijn, E. & Pirkola, A. & Bothma, T. & Järvelin, K. (2002). Information access in indigenous languages: a case study in Zulu. In: Bruce, H & Fidel, R. & Ingwersen, P. & Vakkari, P. (eds.), Emerging Frameworks and Methods. Proceedings of the fourth International Conference on Conceptions of Library and Information Science (CoLIS 4), July 21-25, 2002, Seattle, USA, pp. 221-238. (pdf)
Hedlund, T. (2002). Compounds in dictionary-based cross-language information retrieval Information Research, 7(2) [Available at http://InformationR.net/ir/7-2/paper128.html]
Järvelin, K. & Kekäläinen, J. (2002). Cumulated gain-based evaluation of IR techniques. ACM Transactions on Information Systems 20(4): 442-446. (pdf)
Kekäläinen, J. & Järvelin, K. (2002). Evaluating Information Retrieval Systems under the Challenges of Interaction and Multi-Dimensional Dynamic Relevance. Proceedings of the CoLIS 4 Conference, July 2002, Seattle, USA, pp. 253-270. (pdf)
Kekäläinen, J. & Järvelin, K. (2002). User-oriented evaluation methods for information retrieval: A case study based on conceptual models for query expansion. In: Lakemeyer, G. & Nebel, B. (Eds.) Exploring Artificial Intelligence in the New Millennium. San Francisco: Morgan Kaufmann Publishers. Pp 355 - 379. ISBN 1-55860-811-7. (pdf)
Kekäläinen, J. & Järvelin, K. (2002). Using Graded Relevance Assessments in IR Evaluation. Journal of the American Society for Information Science and Technology 53(13): 1120-1129. (pdf)
Pirkola, A. (2002). CLIR Research at the University of Tampere: issue Editorial. Information Research, 7(2). [Available at http://InformationR.net/ir/7-2/CLIR.html]
Pirkola, A., Keskustalo, H., Leppänen, E., Känsälä, A-P. & Järvelin, K. (2002). Targeted s-gram matching: a novel n-gram matching technique for cross- and monolingual word form variants. Information Research, 7(2). [Available at http://informationr.net/ir/7-2/paper126.html]
Pirkola, A, Leppänen, E. & Järvelin, K. (2002). The RATF formula (Kwok's formula): Exploiting average term frequency in cross-language retrieval. Information Research, 7(2). [Available at http://informationr.net/ir/7-2/paper127.html]
Sormunen, E. (2002). A Retrospective Evaluation Method for Exact-Match and Best-Match Queries Applying an Interactive Query Performance Analyser. In: Crestani, F., Girolami, M. & van Rijsbergen, C.J. (Eds.), Advances in Information Retrieval: proceedings / 24th BCS-IRSG European Colloquium on IR Research. Glasgow, UK, March 25-27, 2002. Springer Lecture Notes in Computer Science 2291, pp. 334-352. (Microsoft Award for Best Conference Paper). (pdf)
Sormunen, E. (2002). Liberal Relevance Criteria of TREC - Counting on Negligible Documents? In: Beaulieu, M. et al. (Eds): Proceedings of the Twenty-Fifth Annual ACM SIGIR Conference on Research and Development in Information Retrieval. August 11-15, 2002, Tampere, Finland. Special Issue of SIGIR Forum 36():324-330. (pdf)
Sormunen, E., Halttunen, K., & Keskustalo, H. (2002). Query Performance Analyser - a tool for bridging information retrieval research and instruction. Tampere, Finland: University of Tampere, Department of Information Studies, Research Notes 2002-1. 25 p. (pdf)

2001

Alkula, R. (2001). From Plain Character Strings to Meaningful Words: Producing Better Full Text Databases for Inflectional and Compounding Languages with Morphological Analysis Software. Information Retrieval, Volume 4, Number 3-4, 4, September 2001, pp. 195-208. (pdf)
Hedlund, T. & Pirkola, A. & Järvelin, K. (2001). Aspects of Swedish Morphology and Semantics from the Perspective of Mono- and Cross-Language Retrieval. Information Processing & Management 37(1): 147-161.
Järvelin, K., Kekäläinen, J. & Niemi, T. (2001). ExpansionTool: Concept-based query expansion and construction. Information Retrieval 4(3/4):231-255. (pdf)
Lehtokangas, R. & Järvelin, K. (2001). Consistency of textual expression in newspaper articles. Journal of Documentation, 57(4): 535-548. (pdf)
Markkula, M., Tico, M., Sepponen, B., Nirkkonen, K. & Sormunen E. (2001). A test-collection for the evaluation of content-based image retrieval algorithms - A user and task-based approach. Information Retrieval 4(3/4): 275-294. (pdf)
Pirkola, A. (2001). Morphological typology of languages for IR. Journal of Documentation, 57 (3): 330-348. (pdf)
Pirkola, A. & Järvelin, K. (2001). Employing the resolution power of search keys. Journal of the American Society for Information Science and Technology, 52 (7): 575 -583. (pdf)
Pirkola, A., Hedlund, T., Keskustalo, H. & Järvelin, K. (2001). Dictionary-based cross-language information retrieval: problems, methods, and research findings. Information Retrieval 4(3/4): 209-230. (pdf)
Sormunen, E. (2001). Extensions to the STAIRS Study - Empirical Evidence for the Hypothesised Ineffectiveness of Boolean Queriesin Large Full-Text Databases. Information Retrieval 4(3/4):257-274. (pdf)
Sormunen, E., Kekäläinen, J., Koivisto, J. & Järvelin, K. (2001). Document text characteristics affect the ranking of the most relevant documents by expanded structured queries. Journal of Documentation 57(3):358-374. (pdf)

2000

Halttunen, K. (2000). Tiedonhaun peruskurssin opiskelijoiden kokemuksia IR-Game tiedonhakupelistä oppimisympäristön osana. Aikuiskasvatus 20(3): 201-214. (pdf)
Halttunen, K. & Sormunen, E. (2000). Learning information retrieval through an educational game. Is gaming sufficient for learning? Education for Information 18(4): 289-311. (pdf )
Halttunen, K.& Sormunen, E. (2000). Learning information retrieval through an educational game : is gaming sufficient for learning. Education for Information (18)2000:4, 289-311. (Postprint in PDF , with permission from IOS Press)
Järvelin, K. & Ingwersen, P. & Niemi, T. (2000). A User-oriented Interface for Generalised Informetric Analysis Based on Applying Advanced Data Modelling Techniques, Journal of Documentation. Journal of Documentation 56(3): 250-278. (pdf)
Järvelin, K. & Kekäläinen, J. (2000). IR evaluation methods for retrieving highly relevant documents. In: Belkin, N. & Ingwersen, P. & Leong, M-K. (Eds.), Proceedings of the 23th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (ACM SIGIR '00), Athens, Greece, July 24-28, 2000. New York, NY: ACM Press, pp. 41-48. (Receiver of the ACM SIGIR '00 Best Paper Award). (pdf )
Järvelin, K. & Niemi, T. & Salminen, A. (2000). The visual query language CQL for transitive and relational computation. Data & Knowledge Engineering 35:39-51. (pdf )
Kekäläinen, J. & Järvelin, K. (2000). The co-effects of query structure and expansion on retrieval performance in probabilistic text retrieval. Information Retrieval, 1(4): 329 - 344. (pdf)
Markkula M. and Sormunen E. (2000) End-User searching challenges indexing practices in the digital photograph archive. Information Retrieval 1(4): 259-285. (pdf)
Niemi, T. & Christensen, M. & Järvelin, K. (2000). Query language approach based on the deductive object-oriented database paradigm. Information & Software Technology 42: 777 - 792. (pdf)
Pirkola, A., Hedlund, T., Keskustalo, H. & Järvelin, K. (2000). Cross-lingual information retrieval problems: methods and findings for three language pairs. ProLISSa, Progress in Library and Information Science in Southern Africa. First biannual DISSAnet Conference, Pretoria, 26-27 October, 2000. (pdf)
Sormunen, E. (2000). A Method for measuring Wide Range Performance of Boolean Queries in Full-Text Databases. Doctoral Thesis. Tampere: University of Tampere. Acta Electronica Universitatis Tamperensis, ISBN: 951-44-4732-8. (pdf)
Sormunen, E., A Novel Method for the Evaluation of Boolean Query Effectiveness across a Wide Operational Range. In: Belkin, N.J., Ingwersen, P. & Leong, M-K. (2000). Proceedings of the 23 rd Annual ACM SIGIR Conference on Researchand Development in Information Retrieval. Athens 24-28 July 2000. Special Issue of SIGIR Forum 34():25-32. (pdf)
Sormunen, E. (2000). Retrospektiivinen menetelmä Boolen kyselyiden tehokkuuden mittaamiseen. Informaatiotutkimus 19(3): 74-81. (pdf)

1999

Järvelin, K. & Ingwersen, P. & Niemi, T. (1999). Informetrics through advanced data management: Complex object restructuring, data aggregation and transitive computation. Tampere, Finland: University of Tampere, Department of Information Studies, Research Note RN-1999-1. 44 p.
Järvelin, K. & Niemi, T. (1999). Integration of complex objects and transitive relationships for information retrieval. Information Processing & Management 35(5): 655-678. (pdf)
Kekäläinen, J. (1999). The effects of query complexity, expansion and structure on retrieval performance in probabilistic text retrieval. PhD dissertation, Department of Information Studies, University of Tampere. Acta Universitatis Tamperensis 678. ISBN 951-44-4596-1; ISSN 1455-1616. 141 pages. (pdf)
Pirkola, A. & Keskustalo, H. & Järvelin, K. (1999). The effects of translation method, conjunction, and facet structure on concept-based cross-language retrieval. Information Retrieval 1: 217 - 250.
Pirkola, A. (1999). Studies on linguistic problems and methods in text retrieval: The effects of anaphor and ellipsis resolution in proximity searching, and translation and query structuring methods in cross-language retrieval. PhD Dissertation. University of Tampere, Department of Information Studies. Acta Universitatis Tamperensis 672. 192 pages. (pdf introduction part of the thesis)
Pirkola, A. & Keskustalo, H. (1999). The effects of translation method, conjunction, and facet structure on concept-based cross-language queries. Finnish Information Studies, 13.
Pirkola, A., Keskustalo, H. & Järvelin, K. (1999). The effects of conjunction, facet structure, and dictionary combinations in concept-based cross-language retrieval. Information Retrieval, 1(3): 217-250.
Sormunen E., Markkula M. and Järvelin K. (1999). The Perceived Similarity of Photos - A Test-Collection Based Evaluation Framework for the Content-Based Image Retrieval Algorithms. In: Draper S. et al., eds. Mira 99: Evaluating interactive information retrieval. Electronic Workshops in Computing. URL: http://www.ewic.org.uk/ewic/workshop/fetch.cfm/MIRA-99. pdf
Talja, S. & Heinisuo, R. & Kasesniemi, E.-L. & Pispa, K. & Kemppainen, H. & Luukkainen, S. & Järvelin, K. (1998). Discourse analysis of user requests. Communications of the ACM 41(4): 93-94.

1998

Kekäläinen, J. & Järvelin, K. (1998). The impact of query structure and query expansion on retrieval performance. In W. B. Croft, A. Moffat, C. J. van Rijsbergen, R. Wilkinson & J. Zobel (Eds.), Proceedings of the 21st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. New York: ACM, 130 - 137. (pdf)
Markkula M. and Sormunen E. (1998) Searching for photos - Journalists’ practices in pictorial IR. In: Eakins J, Harper D, Jose J, eds. The Challenge of Image Retrieval. Electronic Workshops in Computing (eWIC), 1998. URL: http://www.ewic.org.uk/ewic/workshop/view.cfm/CIR-98.ps ps
Pirkola, A. (1998). Kyselyrakenteiden ja erikoissanakirjan vaikutus sanakirjakäännökseen perustuvassa kieltenvälisessä tiedonhaussa. Informaatiotutkimus, 17(3): 48-58. (pdf)
Pirkola, A. (1998). The effects of query structure and dictionary setups in dictionary-based cross-language information retrieval. In: Proceedings of the 21st Annual International ACM Sigir Conference on Research and Development in Information Retrieval, Melbourne, August 24-28. New York: ACM, 55-63. (pdf)
Salosaari, P. & Järvelin, K. (1998). MUSIR — A Retrieval Model for Music. Tampere, Finland: University of Tampere, Department of Information Studies, Research Note RN-1998-1. 14 p. (pdf )

1996

Järvelin, K., Kristensen, J., Niemi, T., Sormunen, E. & Keskustalo, H. (1996). A deductive data model for query expansion. In H.-P. Frei, D. Harman, P. Schäuble, and R. Wilkinson (Eds.), Proceedings of the 19th Annual International ACM - SIGIR Conference on Research and Development in Information Retrieval. New York, NY: ACM, pp. 235 - 249. (pdf)
Järvelin, K. & Kristensen, J. & Niemi, T. & Sormunen, E.& Keskustalo, H. (1996). ExpansionTool: A deductive data model for thesauri and query expansion. Finnish Information Studies 5/1996. Tampere, Finland: University of Tampere, Department of Information Studies. 69 p.
Pirkola, A. & Järvelin, K. (1996). The effect of anaphora and ellipsis resolution on proximity searching in a text database. Information Processing & Management 32(2): 199-216. (pdf)
Pirkola, A. & Järvelin, K. (1996). Recall and precision effects of anaphor and ellipsis resolution in proximity searching in a text database. In: Proceedings Colis, Second International Conference on Conceptions of Library and Information Science: Integration in Perspective, Copenhagen, October 13-16, 1996. The Royal School of Librarianship, pp. 459-475. (pdf)
Niemi, T. & Järvelin, K. (1996). The processing strategy for the NF2 relational FRC-interface. Information & Software Technology 38 1996: 11-24. (pdf)

1995

Järvelin, K. & Niemi, T. (1995). An NF2 relational interface for document retrieval, restructuring and aggregation. In: Fox, E. A. & Ingwersen, P. & Fidel, R. (Eds.), The 18th International Conference on Research and Development in Information Retrieval (ACM SIGIR '95), Seattle, Wa, July 9-12, 1995. New York, NY: ACM, 1995, pp. 102-110. (pdf)
Järvelin, K. & Niemi, T. & Salminen, A. (1995). Implementation of the visual query language CQL for transitive computation. Tampere, Finland: University of Tampere, Department of Information Studies, RN-1995-1, March 1995. 41 p.
Salminen, A., Järvelin, K. & Niemi, T. (1995). CQL: A QBE-like visual recursive query language. Jyväskylä, Finland: University of Jyväskylä, Dept. of Computer Science and Information Systems, Report WP-32, March 1995. 127 p.
Niemi, T. & Järvelin, K. (1995). A Form-Based Query Language Approach to NF2 relations with Applications in Information Retrieval. Information Processing & Management 31(2), 1995, 215 - 232.
Byström, K. & Järvelin, K. (1995). Task Complexity Affects Information Seeking and Use. Information Processing & Management 31(2): 191 - 213. (pdf)

1993

Järvelin, K. & Niemi, T. (1993). Deductive Information Retrieval Based on Classifications. Journal of the American Society for Information Science (JASIS) 44(10): 557-578. (pdf)
Järvelin, K. & Niemi, T. (1993). An Entity-Based Approach to Query Processing in Relational Databases. Part I: Entity Type Representation. Data & Knowledge Engineering 10: 117-150.
Järvelin, K. & Niemi, T. (1993). An Entity-Based Approach to Query Processing in Relational Databases. Part II: Entity Query Construction and Updating. Data & Knowledge Engineering 10: 151-186.

1992

Niemi, T. & Järvelin, K. (1992) Operation-oriented query language approach for recursive queries - Part 1. Functional definition. IS 17(1): 49-75. (pdf)
Niemi, T & Järvelin, K. (1992) Operation-oriented query language approach for recursive queries - Part 2. Prototype implementation and its integration with relational databases. IS 17(1): 77-106. (pdf)