Kalervo Järvelin

175 papers A* 17A 13B 3C 2Misc 3Journal 106Unranked 26
YearRankTypeTitle / Venue / Authors
2025 J jnl
Comparing representations of a discipline derived through LDA vs. intellectual content analysis: the case of information science.
Scientometrics
Kaisa Ylikruuvi, Kalervo Järvelin, Pertti Vakkari, Martti Juhola
2025 A* conf
Evaluating Multi-Dimensional Cumulated Utility in Information Retrieval.
SIGIR
Francesco Luigi De Faveri, Guglielmo Faggioli, Nicola Ferro, Kalervo Järvelin
2025 — conf
MDCU: A Multi-Dimensional Cumulative Utility Metric for Information Retrieval.
IIR
Francesco Luigi De Faveri, Guglielmo Faggioli, Nicola Ferro, Kalervo Järvelin
2024 J jnl
A Blueprint of IR Evaluation Integrating Task and User Characteristics.
ACM Trans. Inf. Syst.
Kalervo Järvelin, Eero Sormunen
2024 J jnl
Characteristics of LIS research articles affecting their citation impact.
J. Libr. Inf. Sci.
Kalervo Järvelin, Yu-Wei Chang, Pertti Vakkari
2024 B conf
TraQuLA: Transparent Question Answering Over RDF Through Linguistic Analysis.
ICWE
Elizaveta Zimina, Kalervo Järvelin, Jaakko Peltonen, Aarne Ranta, Jyrki Nummenmaa
2024 J jnl
Who cites the contributions by information science?
J. Documentation
Kalervo Järvelin, Pertti Vakkari
2023 J jnl
A Blueprint of IR Evaluation Integrating Task and User Characteristics: Test Collection and Evaluation Metrics.
CoRR
Kalervo Järvelin, Eero Sormunen
2023 J jnl
Characteristics of LIS Research Articles Affecting Their Citation Impact.
CoRR
Kalervo Järvelin, Yu-Wei Chang, Pertti Vakkari
2023 J jnl
The association of disciplinary background with the evolution of topics and methods in Library and Information Science research 1995-2015.
J. Assoc. Inf. Sci. Technol.
Pertti Vakkari, Kalervo Järvelin, Yu-Wei Chang
2022 J jnl
Disciplinary contributions to research topics and methodology in Library and Information Science - Leading to fragmentation?
J. Assoc. Inf. Sci. Technol.
Pertti Vakkari, Yu-Wei Chang, Kalervo Järvelin
2022 J jnl
LIS research across 50 years: content analysis of journal articles.
J. Documentation
Kalervo Järvelin, Pertti Vakkari
2022 J jnl
Largest contribution to LIS by external disciplines as measured by the characteristics of research articles.
Scientometrics
Pertti Vakkari, Yu-Wei Chang, Kalervo Järvelin
2020 A conf
Probabilistic Dynamic Non-negative Group Factor Model for Multi-source Text Mining.
CIKM
Chien Lu, Jaakko Peltonen, Jyrki Nummenmaa, Kalervo Järvelin
2019 — ch.
The Challenges of Language Variation in Information Access.
Information Retrieval Evaluation in a Changing World
Jussi Karlgren, Turid Hedlund, Kalervo Järvelin, Heikki Keskustalo, Kimmo Kettunen
2018 B conf
Author Tree-Structured Hierarchical Dirichlet Process.
DS
Md. Hijbul Alam, Jaakko Peltonen, Jyrki Nummenmaa, Kalervo Järvelin
2018 — ch.
Discounted Cumulated Gain.
Encyclopedia of Database Systems (2nd ed.)
Kalervo Järvelin, Jaana Kekäläinen
2018 — conf
GQA: Grammatical Question Answering for RDF Data.
SemWebEval@ESWC
Elizaveta Zimina, Jyrki Nummenmaa, Kalervo Järvelin, Jaakko Peltonen, Kostas Stefanidis, Heikki Hyyrö
2018 — conf
PIHVI: Online Forum Posting Analysis with Interactive Hierarchical Visualisation.
IUI Workshops
Jaakko Peltonen, Ziyuan Lin, Kalervo Järvelin, Jyrki Nummenmaa
2018 B conf
QWERTY: The Effects of Typing on Web Search Behavior.
CHIIR
Kevin Ong, Kalervo Järvelin, Mark Sanderson, Falk Scholer
2018 J jnl
Relationships between work task types, complexity and dwell time of information resources.
J. Inf. Sci.
Miamaria Saastamoinen, Kalervo Järvelin
2018 A* conf
Salton Award Keynote: Information Interaction in Context.
SIGIR
Kalervo Järvelin
2018 J jnl
Salton Award Keynote: Information Interaction in Context.
SIGIR Forum
Kalervo Järvelin
2018 — conf
Tree-Structured Hierarchical Dirichlet Process.
DCAI (Special Sessions)
Md. Hijbul Alam, Jaakko Peltonen, Jyrki Nummenmaa, Kalervo Järvelin
2017 J jnl
An Information Nutritional Label for Online Documents.
SIGIR Forum
Norbert Fuhr, Anastasia Giachanou, Gregory Grefenstette, Iryna Gurevych, Andreas Hanselowski, Kalervo Järvelin, Rosie Jones, Yiqun Liu, Josiane Mothe, Wolfgang Nejdl, Isabella Peters, Benno Stein
2017 J jnl
IR evaluation methods for retrieving highly relevant documents.
SIGIR Forum
Kalervo Järvelin, Jaana Kekäläinen
2017 J jnl
Search task features in work tasks of varying types and complexity.
J. Assoc. Inf. Sci. Technol.
Miamaria Saastamoinen, Kalervo Järvelin
2017 J jnl
User-Generated Content in Social Media (Dagstuhl Seminar 17301).
Dagstuhl Reports
Tat-Seng Chua, Norbert Fuhr, Gregory Grefenstette, Kalervo Järvelin, Jaakko Peltonen
2017 A* conf
Using Information Scent to Understand Mobile and Desktop Web Search Behavior.
SIGIR
Kevin Ong, Kalervo Järvelin, Mark Sanderson, Falk Scholer
2017 J jnl
Validating simulated interaction for retrieval evaluation.
Inf. Retr. J.
Teemu Pääkkönen, Jaana Kekäläinen, Heikki Keskustalo, Leif Azzopardi, David Maxwell, Kalervo Järvelin
2016 A conf
Adaptive Distributional Extensions to DFR Ranking.
CIKM
Casper Petersen, Jakob Grue Simonsen, Kalervo Järvelin, Christina Lioma
2016 J jnl
Adaptive Distributional Extensions to DFR Ranking.
CoRR
Casper Petersen, Jakob Grue Simonsen, Kalervo Järvelin, Christina Lioma
2016 J jnl
Increasing Reproducibility in IR: Findings from the Dagstuhl Seminar on "Reproducibility of Data-Oriented Experiments in e-Science".
SIGIR Forum
Nicola Ferro, Norbert Fuhr, Kalervo Järvelin, Noriko Kando, Matthias Lippold, Justin Zobel
2016 J jnl
Queries in authentic work tasks: the effects of task type and complexity.
J. Documentation
Miamaria Saastamoinen, Kalervo Järvelin
2016 Misc conf
The Effect of Document Order and Topic Difficulty on Assessor Agreement.
ICTIR
Tadele Tedla Damessie, Falk Scholer, Kalervo Järvelin, J. Shane Culpepper
2016 J jnl
The twist measure for IR evaluation: Taking user's effort into account.
J. Assoc. Inf. Sci. Technol.
Nicola Ferro, Gianmaria Silvello, Heikki Keskustalo, Ari Pirkola, Kalervo Järvelin
2015 A* conf
An Initial Investigation into Fixed and Adaptive Stopping Strategies.
SIGIR
David Maxwell, Leif Azzopardi, Kalervo Järvelin, Heikki Keskustalo
2015 — conf
Exploring Behavioral Dimensions in Session Effectiveness.
CLEF
Teemu Pääkkönen, Kalervo Järvelin, Jaana Kekäläinen, Heikki Keskustalo, Feza Baskaya, David Maxwell, Leif Azzopardi
2015 J jnl
On the influence of training data quality on text document classification using machine learning methods.
Int. J. Knowl. Eng. Data Min.
Jyri Saarikoski, Henry Joutsijoki, Kalervo Järvelin, Jorma Laurikkala, Martti Juhola
2015 A conf
Searching and Stopping: An Analysis of Stopping Rules and Strategies.
CIKM
David Maxwell, Leif Azzopardi, Kalervo Järvelin, Heikki Keskustalo
2015 J jnl
Task-Based Information Interaction Evaluation: The Viewpoint of Program Theory.
ACM Trans. Inf. Syst.
Kalervo Järvelin, Pertti Vakkari, Paavo Arvola, Feza Baskaya, Anni Järvelin, Jaana Kekäläinen, Heikki Keskustalo, Sanna Kumpulainen, Miamaria Saastamoinen, Reijo Savolainen, Eero Sormunen
2015 A conf
User Simulations for Interactive Search: Evaluating Personalized Query Suggestion.
ECIR
Suzan Verberne, Maya Sappelli, Kalervo Järvelin, Wessel Kraaij
2014 J jnl
Concept-based query language approach to enterprise information systems.
Enterp. Inf. Syst.
Timo Niemi, Marko Junkkari, Kalervo Järvelin
2014 J jnl
Dimensionality reduction in text classification using scatter method.
Int. J. Data Min. Model. Manag.
Jyri Saarikoski, Jorma Laurikkala, Kalervo Järvelin, Markku Siermala, Martti Juhola
2014 J jnl
Evolution of library and information science, 1965-2005: Content analysis of journal articles.
J. Assoc. Inf. Sci. Technol.
Otto Tuomaala, Kalervo Järvelin, Pertti Vakkari
2014 A* ed.
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014
SIGIR
Shlomo Geva, Andrew Trotman, Peter Bruza, Charles L. A. Clarke, Kalervo Järvelin
2013 — conf
Cumulated Relative Position: A Metric for Ranking Evaluation.
IIR
Marco Angelini, Nicola Ferro, Kalervo Järvelin, Heikki Keskustalo, Ari Pirkola, Giuseppe Santucci, Gianmaria Silvello
2013 J jnl
Effectiveness of search result classification based on relevance feedback.
J. Inf. Sci.
Feza Baskaya, Heikki Keskustalo, Kalervo Järvelin
2013 A conf
Modeling behavioral factors ininteractive information retrieval.
CIKM
Feza Baskaya, Heikki Keskustalo, Kalervo Järvelin
2013 J jnl
Task complexity affects information use: a questionnaire study in city administration.
Inf. Res.
Miamaria Saastamoinen, Sanna Kumpulainen, Pertti Vakkari, Kalervo Järvelin
2012 J jnl
Barriers to task-based information access in molecular medicine.
J. Assoc. Inf. Sci. Technol.
Sanna Kumpulainen, Kalervo Järvelin
2012 — conf
Cumulated Relative Position: A Metric for Ranking Evaluation.
CLEF
Marco Angelini, Nicola Ferro, Kalervo Järvelin, Heikki Keskustalo, Ari Pirkola, Giuseppe Santucci, Gianmaria Silvello
2012 — conf
Task complexity and information searching in administrative tasks revisited.
IIiX
Miamaria Saastamoinen, Sanna Kumpulainen, Kalervo Järvelin
2012 A* conf
Time drives interaction: simulating sessions in diverse searching environments.
SIGIR
Feza Baskaya, Heikki Keskustalo, Kalervo Järvelin
2012 — conf
User-Oriented Evaluation in IR.
PROMISE Winter School
Kalervo Järvelin
2011 — ch.
Evaluation.
Interactive Information Seeking, Behaviour and Retrieval
Kalervo Järvelin
2011 — conf
Frequent Case Generation in Ad Hoc Retrieval of Three Indian Languages - Bengali, Gujarati and Marathi.
FIRE
Jiaul H. Paik, Kimmo Kettunen, Dipasree Pal, Kalervo Järvelin
2011 J jnl
GRAS: An effective and efficient stemming algorithm for information retrieval.
ACM Trans. Inf. Syst.
Jiaul H. Paik, Mandar Mitra, Swapan K. Parui, Kalervo Järvelin
2011 A conf
IR Research: Systems, Interaction, Evaluation and Theories.
ECIR
Kalervo Järvelin
2011 J jnl
IR research: systems, interaction, evaluation and theories.
SIGIR Forum
Kalervo Järvelin
2011 C conf
Information Retrieval: Technology, Evaluation and Beyond.
ISI
Kalervo Järvelin
2011 — conf
Self-Organising Maps in Document Classification: A Comparison with Six Machine Learning Methods.
ICANNGA (1)
Jyri Saarikoski, Jorma Laurikkala, Kalervo Järvelin, Martti Juhola
2011 A conf
Simulating Simple and Fallible Relevance Feedback.
ECIR
Feza Baskaya, Heikki Keskustalo, Kalervo Järvelin
2010 — conf
A Dictionary- and Corpus-Independent Statistical Lemmatizer for Information Retrieval in Low Resource Languages.
CLEF
Aki Loponen, Kalervo Järvelin
2010 — conf
A tool for ontology-editing and ontology-based information exploration.
ESAIR
Feza Baskaya, Jaana Kekäläinen, Kalervo Järvelin
2010 J jnl
Derived types in semantic association discovery.
J. Intell. Inf. Syst.
Janne Jämsen, Timo Niemi, Kalervo Järvelin
2010 — conf
Information interaction in molecular medicine: integrated use of multiple channels.
IIiX
Sanna Kumpulainen, Kalervo Järvelin
2010 J jnl
Measuring impact of twelve information scientists using the DCI index.
J. Assoc. Inf. Sci. Technol.
Per Ahlgren, Kalervo Järvelin
2010 J jnl
Report on the SIGIR 2010 workshop on the simulation of interaction.
SIGIR Forum
Leif Azzopardi, Kalervo Järvelin, Jaap Kamps, Mark D. Smucker
2010 — conf
Test Collections and Evaluation Metrics Based on Graded Relevance.
FIRE
Kalervo Järvelin
2010 — conf
UTA Stemming and Lemmatization Experiments in the FIRE Bengali Ad Hoc Task.
FIRE
Aki Loponen, Jiaul H. Paik, Kalervo Järvelin
2009 J jnl
A relational data harmonization approach to XML.
J. Inf. Sci.
Timo Niemi, Turkka Näppilä, Kalervo Järvelin
2009 J jnl
A study of the use of self-organising maps in information retrieval.
J. Documentation
Jyri Saarikoski, Jorma Laurikkala, Kalervo Järvelin, Martti Juhola
2009 — ch.
Discounted Cumulated Gain.
Encyclopedia of Database Systems
Kalervo Järvelin, Jaana Kekäläinen
2009 Misc conf
Explaining User Performance in Information Retrieval: Challenges to IR Evaluation.
ICTIR
Kalervo Järvelin
2009 A* conf
Including summaries in system evaluation.
SIGIR
Andrew Turpin, Falk Scholer, Kalervo Järvelin, Mingfang Wu, J. Shane Culpepper
2009 A conf
Interactive relevance feedback with graded relevance and sentence extraction: simulated user experiments.
CIKM
Kalervo Järvelin
2009 — conf
On Document Classification with Self-Organising Maps.
ICANNGA
Jyri Saarikoski, Kalervo Järvelin, Jorma Laurikkala, Martti Juhola
2009 J jnl
So many topics, so little time.
SIGIR Forum
Giovanna Roda, Veronika Zenz, Mihai Lupu, Kalervo Järvelin, Mark Sanderson, Christa Womser-Hacker
2009 — conf
Test Collection-Based IR Evaluation Needs Extension toward Sessions - A Case of Extremely Short Queries.
AIRS
Heikki Keskustalo, Kalervo Järvelin, Ari Pirkola, Tarun Sharma, Marianne Lykke
2008 A conf
A Novel Implementation of the FITE-TRT Translation Method.
ECIR
Aki Loponen, Ari Pirkola, Kalervo Järvelin, Heikki Keskustalo
2008 J jnl
A tool for data cube construction from structurally heterogeneous XML documents.
J. Assoc. Inf. Sci. Technol.
Turkka Näppilä, Kalervo Järvelin, Timo Niemi
2008 A conf
Discounted Cumulated Gain Based Evaluation of Multiple-Query IR Sessions.
ECIR
Kalervo Järvelin, Susan L. Price, Lois M. L. Delcambre, Marianne Lykke Nielsen
2008 J jnl
Erratum re: "The DCI-index: Discounted cumulated impact-based research evaluation", JASIST 59(9), 1433-1440.
J. Assoc. Inf. Sci. Technol.
Kalervo Järvelin, Olle Persson
2008 J jnl
Evaluating the effectiveness of relevance feedback based on a user simulation model: effects of a user scenario on cumulated gain value.
Inf. Retr.
Heikki Keskustalo, Kalervo Järvelin, Ari Pirkola
2008 J jnl
Experiments with transitive dictionary translation and pseudo-relevance feedback using graded relevance assessments.
J. Assoc. Inf. Sci. Technol.
Raija Lehtokangas, Heikki Keskustalo, Kalervo Järvelin
2008 J jnl
Focused web crawling in the acquisition of comparable corpora.
Inf. Retr.
Tuomas Talvensaari, Ari Pirkola, Kalervo Järvelin, Martti Juhola, Jorma Laurikkala
2008 A* conf
Intuition-supporting visualization of user's performance based on explicit negative higher-order relevance.
SIGIR
Heikki Keskustalo, Kalervo Järvelin, Ari Pirkola, Jaana Kekäläinen
2008 J jnl
The DCI index: Discounted cumulated impact-based research evaluation.
J. Assoc. Inf. Sci. Technol.
Kalervo Järvelin, Olle Persson
2008 — conf
The SenseCam as a tool for task observation.
BCS HCI (2)
Daragh Byrne, Aiden R. Doherty, Gareth J. F. Jones, Alan F. Smeaton, Sanna Kumpulainen, Kalervo Järvelin
2008 J jnl
The information environment of researchers in molecular medicine.
Inf. Res.
Annikki Roos, Sanna Kumpulainen, Kalervo Järvelin, Turid Hedlund
2007 J jnl
An analysis of two approaches in information retrieval: From frameworks to study designs.
J. Assoc. Inf. Sci. Technol.
Kalervo Järvelin
2007 J jnl
Corpus-based cross-language information retrieval in retrieval of highly relevant documents.
J. Assoc. Inf. Sci. Technol.
Tuomas Talvensaari, Martti Juhola, Jorma Laurikkala, Kalervo Järvelin
2007 J jnl
Creating and exploiting a comparable corpus in cross-language information retrieval.
ACM Trans. Inf. Syst.
Tuomas Talvensaari, Jorma Laurikkala, Kalervo Järvelin, Martti Juhola, Heikki Keskustalo
2007 J jnl
Frequency-based identification of correct translation equivalents (FITE) obtained through transformation rules.
ACM Trans. Inf. Syst.
Ari Pirkola, Jarmo Toivonen, Heikki Keskustalo, Kalervo Järvelin
2007 J jnl
Restricted inflectional form generation in management of morphological keyword variation.
Inf. Retr.
Kimmo Kettunen, Eija Airio, Kalervo Järvelin
2007 — conf
Spoken Document Retrieval in a Highly Inflectional Language.
NODALIDA
Inger Ekman, Kalervo Järvelin
2007 J jnl
s-grams: Defining generalized n-grams for information retrieval.
Inf. Process. Manag.
Anni Järvelin, Antti Järvelin, Kalervo Järvelin
2006 J jnl
"Irrational" searchers and IR-rational researchers.
J. Assoc. Inf. Sci. Technol.
Nils Pharo, Kalervo Järvelin
2006 J jnl
A study on automatic creation of a comparable document collection in cross-language information retrieval.
J. Documentation
Tuomas Talvensaari, Jorma Laurikkala, Kalervo Järvelin, Martti Juhola
2006 J jnl
Experiments with dictionary-based CLIR using graded relevance assessments: Improving effectiveness by pseudo-relevance feedback.
Inf. Retr.
Raija Lehtokangas, Heikki Keskustalo, Kalervo Järvelin
2006 Misc conf
FITE-TRT: a high quality translation technique for OOV words.
SAC
Ari Pirkola, Jarmo Toivonen, Heikki Keskustalo, Kalervo Järvelin
2006 J jnl
Hierarchical clustering of a Finnish newspaper article collection with graded relevance assessments.
Inf. Retr.
Tuomo Korenius, Jorma Laurikkala, Martti Juhola, Kalervo Järvelin
2006 A* ed.
SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006
SIGIR
Efthimis N. Efthimiadis, Susan T. Dumais, David Hawking, Kalervo Järvelin
2006 A conf
The Effects of Relevance Feedback Quality and Quantity in Interactive Relevance Feedback: A Simulation Based on User Modeling.
ECIR
Heikki Keskustalo, Kalervo Järvelin, Ari Pirkola
2005 J jnl
Assessing learning outcomes in two information retrieval learning environments.
Inf. Process. Manag.
Kai Halttunen, Kalervo Järvelin
2005 J jnl
Collaborative Information Retrieval in an information-intensive domain.
Inf. Process. Manag.
Preben Hansen, Kalervo Järvelin
2005 A conf
Dictionary-Based CLIR Loses Highly Relevant Documents.
ECIR
Raija Lehtokangas, Heikki Keskustalo, Kalervo Järvelin
2005 J jnl
Information retrieval in context: IRiX.
SIGIR Forum
Peter Ingwersen, Kalervo Järvelin
2005 — conf
The Sense of Information: Understanding the Cognitive Conditional Information Concept in Relation to Information Acquisition.
CoLIS
Peter Ingwersen, Kalervo Järvelin
2005 — book
The Turn - Integration of Information Seeking and Retrieval in Context
Peter Ingwersen, Kalervo Järvelin
2005 J jnl
To stem or lemmatize a highly inflectional language in a probabilistic IR environment?
J. Documentation
Kimmo Kettunen, Tuomas Kunttu, Kalervo Järvelin
2005 J jnl
Translating cross-lingual spelling variants using transformation rules.
Inf. Process. Manag.
Jarmo Toivonen, Ari Pirkola, Heikki Keskustalo, Kari Visala, Kalervo Järvelin
2004 J jnl
Advanced query language for manipulating complex entities.
Inf. Process. Manag.
Timo Niemi, Marko Junkkari, Kalervo Järvelin, Samu Viita
2004 J jnl
Collaborative Information Searching in an Information-Intensive Work Domain: Preliminary Results.
J. Digit. Inf. Manag.
Preben Hansen, Kalervo Järvelin
2004 J jnl
Dictionary-Based Cross-Language Information Retrieval: Learning Experiences from CLEF 2000-2002.
Inf. Retr.
Turid Hedlund, Eija Airio, Heikki Keskustalo, Raija Lehtokangas, Ari Pirkola, Kalervo Järvelin
2004 J jnl
Information seeking research needs extension toward tasks and technology.
Inf. Res.
Kalervo Järvelin, Peter Ingwersen
2004 A* ed.
SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Sheffield, UK, July 25-29, 2004
SIGIR
Mark Sanderson, Kalervo Järvelin, James Allan, Peter Bruza
2004 A conf
Stemming and lemmatization in the clustering of finnish text documents.
CIKM
Tuomo Korenius, Jorma Laurikkala, Kalervo Järvelin, Martti Juhola
2004 J jnl
The SST method: a tool for analysing Web information search processes.
Inf. Process. Manag.
Nils Pharo, Kalervo Järvelin
2004 J jnl
Transitive dictionary translation challenges direct dictionary translation in CLIR.
Inf. Process. Manag.
Raija Lehtokangas, Eija Airio, Kalervo Järvelin
2003 J jnl
Applying query structuring in cross-language retrieval.
Inf. Process. Manag.
Ari Pirkola, Deniz Puolamäki, Kalervo Järvelin
2003 A* conf
Fuzzy translation of cross-lingual spelling variants.
SIGIR
Ari Pirkola, Jarmo Toivonen, Heikki Keskustalo, Kari Visala, Kalervo Järvelin
2003 J jnl
Multidimensional Data Model and Query Language for Informetrics.
J. Assoc. Inf. Sci. Technol.
Timo Niemi, Lasse Hirvonen, Kalervo Järvelin
2003 C conf
Non-adjacent Digrams Improve Matching of Cross-Lingual Spelling Variants.
SPIRE
Heikki Keskustalo, Ari Pirkola, Kari Visala, Erkka Leppänen, Kalervo Järvelin
2003 J jnl
On conceptual models for information seeking and retrieval research.
Inf. Res.
Kalervo Järvelin, T. D. Wilson
2002 J jnl
Cumulated gain-based evaluation of IR techniques.
ACM Trans. Inf. Syst.
Kalervo Järvelin, Jaana Kekäläinen
2002 J jnl
Relational Deductive Object-Oriented Modeling (RDOOM) Approach for Finding, Representing and Integrating Application-Specific Concepts.
Int. J. Softw. Eng. Knowl. Eng.
Timo Niemi, Marko Junkkari, Kalervo Järvelin
2002 A* ed.
SIGIR 2002: Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 11-15, 2002, Tampere, Finland
SIGIR
Kalervo Järvelin, Micheline Beaulieu, Ricardo A. Baeza-Yates, Sung-Hyon Myaeng
2002 J jnl
Targeted s-gram matching: a novel n-gram matching technique for cross- and mono-lingual word form variants.
Inf. Res.
Ari Pirkola, Heikki Keskustalo, Erkka Leppänen, Antti-Pekka Känsälä, Kalervo Järvelin
2002 J jnl
The RATF formula (Kwok's formula): exploiting average term frequency in cross-language retrieval.
Inf. Res.
Ari Pirkola, Erkka Leppänen, Kalervo Järvelin
2002 J jnl
Using graded relevance assessments in IR evaluation.
J. Assoc. Inf. Sci. Technol.
Jaana Kekäläinen, Kalervo Järvelin
2001 J jnl
Aspects of Swedish morphology and semantics from the perspective of mono- and cross-language information retrieval.
Inf. Process. Manag.
Turid Hedlund, Ari Pirkola, Kalervo Järvelin
2001 J jnl
Consistency of textual expression in newspaper articles: an argument for semantically based query expansion.
J. Documentation
Raija Lehtokangas, Kalervo Järvelin
2001 J jnl
Dictionary-Based Cross-Language Information Retrieval: Problems, Methods, and Research Findings.
Inf. Retr.
Ari Pirkola, Turid Hedlund, Heikki Keskustalo, Kalervo Järvelin
2001 J jnl
Document text characteristics affect the ranking of the most relevant documents by expanded structured queries.
J. Documentation
Eero Sormunen, Jaana Kekäläinen, Jussi Koivisto, Kalervo Järvelin
2001 J jnl
Employing the resolution power of search keys.
J. Assoc. Inf. Sci. Technol.
Ari Pirkola, Kalervo Järvelin
2001 J jnl
ExpansionTool: Concept-Based Query Expansion and Construction.
Inf. Retr.
Kalervo Järvelin, Jaana Kekäläinen, Timo Niemi
2001 — conf
UTACLIR @ CLEF 2001: New Features for Handling Compound Words and Untranslatable Proper Names.
CLEF (Working Notes)
Turid Hedlund, Heikki Keskustalo, Ari Pirkola, Eija Airio, Kalervo Järvelin
2001 — conf
Utaclir @ CLEF 2001 - Effects of Compound Splitting and N-Gram Techniques.
CLEF
Turid Hedlund, Heikki Keskustalo, Ari Pirkola, Eija Airio, Kalervo Järvelin
2000 J jnl
A user-oriented interface for generalised informetric analysis based on applying advanced data modelling techniques.
J. Documentation
Kalervo Järvelin, Peter Ingwersen, Timo Niemi
2000 — conf
Bilingual Tests with Swedish, Finnish and German Queries.
CLEF (Working Notes)
Turid Hedlund, Heikki Keskustalo, Ari Pirkola, Mikko Sepponen, Kalervo Järvelin
2000 — conf
Bilingual Tests with Swedish, Finnish, and German Queries: Dealing with Morphology, Compound Words, and Query Structure.
CLEF
Turid Hedlund, Heikki Keskustalo, Ari Pirkola, Mikko Sepponen, Kalervo Järvelin
2000 A* conf
IR evaluation methods for retrieving highly relevant documents.
SIGIR
Kalervo Järvelin, Jaana Kekäläinen
2000 J jnl
Query language approach based on the deductive object-oriented database paradigm.
Inf. Softw. Technol.
Timo Niemi, M. Christensen, Kalervo Järvelin
2000 J jnl
The Co-Effects of Query Structure and Expansion on Retrieval Performance in Probabilistic Text Retrieval.
Inf. Retr.
Jaana Kekäläinen, Kalervo Järvelin
2000 J jnl
The visual query language CQL for transitive and relational computation.
Data Knowl. Eng.
Kalervo Järvelin, Timo Niemi, Airi Salminen
1999 J jnl
Integration of complex objects and transitive relationships for information retrieval.
Inf. Process. Manag.
Kalervo Järvelin, Timo Niemi
1999 J jnl
The Effects of Conjunction, Facet Structure, and Dictionary Combinations in Concept-Based Cross-Language Retrieval.
Inf. Retr.
Ari Pirkola, Heikki Keskustalo, Kalervo Järvelin
1999 — conf
The Perceived Similarity of Photos - A Test-Collection Based Evaluation Framework for the Content-Based Image Retrieval Algorithms.
MIRA
Eero Sormunen, Marjo Markkula, Kalervo Järvelin
1998 J jnl
Discourse Analysis of User Request.
Commun. ACM
Sanna Talja, Rami Heinisuo, Eija-Liisa Kasesniemi, Harri Kemppainen, Sinikka Luukkainen, Kirsi Pispa, Kalervo Järvelin
1998 A* conf
The Impact of Query Structure and Query Expansion on Retrieval Performance.
SIGIR
Jaana Kekäläinen, Kalervo Järvelin
1996 A* conf
A Deductive Data Model for Query Expansion.
SIGIR
Kalervo Järvelin, Jaana Kristensen, Timo Niemi, Eero Sormunen, Heikki Keskustalo
1996 J jnl
The Effect of Anaphor and Ellipsis Resolution on Proximity Searching in a Text Database.
Inf. Process. Manag.
Ari Pirkola, Kalervo Järvelin
1996 J jnl
The processing strategy for the NF
Inf. Softw. Technol.
Timo Niemi, Kalervo Järvelin
1995 J jnl
A Straightforward NF² Relational Interface with Applications in Information Retrieval.
Inf. Process. Manag.
Timo Niemi, Kalervo Järvelin
1995 A* conf
An NF
SIGIR
Kalervo Järvelin, Timo Niemi
1995 J jnl
Task Complexity Affects Information Seeking and Use.
Inf. Process. Manag.
Katriina Byström, Kalervo Järvelin
1993 J jnl
An Entity-Based Approach to Query Processing in Relational Databases. Part I: Entity Type Representation.
Data Knowl. Eng.
Kalervo Järvelin, Timo Niemi
1993 J jnl
An Entity-Based Approach to Query Processing in Relational Databases. Part II: Entity Query Construction and Updating.
Data Knowl. Eng.
Kalervo Järvelin, Timo Niemi
1993 J jnl
Deductive Information Retrieval Based on Classifications.
J. Am. Soc. Inf. Sci.
Kalervo Järvelin, Timo Niemi
1993 J jnl
The Evolution of Library and Information Science 1965-1985: A Content Analysis of Journal Articles.
Inf. Process. Manag.
Kalervo Järvelin, Pertti Vakkari
1992 J jnl
Advanced Query Formulation in Deductive Databases.
Inf. Process. Manag.
Timo Niemi, Kalervo Järvelin
1992 J jnl
Operation-oriented query language approach for recursive queries - Part 1. Functional definition.
Inf. Syst.
Timo Niemi, Kalervo Järvelin
1992 J jnl
Operation-oriented query language approach for recursive queries - Part 2. Prototype implementation and its integration with relational databases.
Inf. Syst.
Timo Niemi, Kalervo Järvelin
1991 A* conf
Advanced Retrieval From Heterogeneous Fact Databases: Integration of Data Retrieval, Conversion, Aggregation and Deductive Techniques.
SIGIR
Kalervo Järvelin, Timo Niemi
1991 J jnl
Prolog-Based Meta-Rules For Relational Database Representation and Manipulation.
IEEE Trans. Software Eng.
Timo Niemi, Kalervo Järvelin
1989 J jnl
An approach to query cost modelling in numeric databases.
JASIS
Kalervo Järvelin
1988 J jnl
A methodology for user charge estimation in numeric online databanks. Part I: A review of numeric databanks and charging principles.
J. Inf. Sci.
Kalervo Järvelin
1988 J jnl
A methodology for user charge estimation in numeric online databanks. Part II.
J. Inf. Sci.
Kalervo Järvelin
1987 J jnl
Advanced tools for data conversion and database cost modelling.
Inf. Manag.
Kalervo Järvelin, Timo Niemi
1986 J jnl
A Straightforward method for Advance estimation of User charges for Information in Numeric Databases.
J. Documentation
Kalervo Järvelin
1986 J jnl
Cardinality estimation in numeric on-line databases.
Inf. Process. Manag.
Kalervo Järvelin
1985 J jnl
Straightforward formalization of the relational model.
Inf. Syst.
Timo Niemi, Kalervo Järvelin
1984 J jnl
A Straightforward Formalization of the Relational Model.
SIGMOD Rec.
Timo Niemi, Kalervo Järvelin