2022

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Report on the 44th European Conference on Information Retrieval (ECIR 2022): The First Major Hybrid IR Conference
Krisztian Balog | Kjetil Nørvåg | Vinay Setty
2022 Volume 56 Issue 1

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Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part I

Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part I

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Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part II

Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part II

2020

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Diversifying Top-k Point-of-Interest Queries via Collective Social Reach
Stella Maropaki | Sean Chester | Christos Doulkeridis | Kjetil Nørvåg
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

2019

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Locality-adapted kernel densities of term co-occurrences for location prediction of tweets
Ozer Ozdikis | Heri Ramampiaro | Kjetil Nørvåg
2019 Volume 56 Issue 4

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Investigating and predicting online food recipe upload behavior
Christoph Trattner | Tomasz Kusmierczyk | Kjetil Nørvåg
2019 Volume 56 Issue 3

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Sketching Streaming Histogram Elements using Multiple Weighted Factors
Quang-Huy Duong | Heri Ramampiaro | Kjetil Nørvåg
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019

2018

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Locality-adapted Kernel Densities for Tweet Localization
Ozer Ozdikis | Heri Ramampiaro | Kjetil Nørvåg
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

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Spatial Statistics of Term Co-occurrences for Location Prediction of Tweets
Ozer Ozdikis | Heri Ramampiaro | Kjetil Nørvåg
Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings

2017

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Anticipating Information Needs Based on Check-in Activity
Jan R. Benetka | Krisztian Balog | Kjetil Nørvåg
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017

2016

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Online Food Recipe Title Semantics: Combining Nutrient Facts and Topics
Tomasz Kusmierczyk | Kjetil Nørvåg
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

2015

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Temporal Information Retrieval
Nattiya Kanhabua | Roi Blanco | Kjetil Nørvåg
2015 Volume 9 Issue 2

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IR Game: How well do you Know Information Retrieval Papers?
Jan Rybak | Krisztian Balog | Kjetil Nørvåg
Proceedings of the Second International Workshop on Gamification for Information Retrieval co-located with the 37th European Conference on Information Retrieval (ECIR 2015), Vienna, Austria, March 29, 2015

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Temporal Patterns in Online Food Innovation
Tomasz Kusmierczyk | Christoph Trattner | Kjetil Nørvåg
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume

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Temporality in Online Food Recipe Consumption and Production
Tomasz Kusmierczyk | Christoph Trattner | Kjetil Nørvåg
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume

2014

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ExperTime: tracking expertise over time
Jan Rybak | Krisztian Balog | Kjetil Nørvåg
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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A burstiness-aware approach for document dating
Dimitrios Kotsakos | Theodoros Lappas | Dimitrios Kotzias | Dimitrios Gunopulos | Nattiya Kanhabua | Kjetil Nørvåg
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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Temporal Expertise Profiling
Jan Rybak | Krisztian Balog | Kjetil Nørvåg
Advances in Information Retrieval - 36th European Conference on IR Research, ECIR 2014, Amsterdam, The Netherlands, April 13-16, 2014. Proceedings

2013

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KBAAA: a web-based toolkit for the assessment and analysis of knowledge base acceleration systems
Krisztian Balog | Heri Ramampiaro | Kjetil Nørvåg
Open research Areas in Information Retrieval, OAIR 2013, Lisbon, Portugal, May 15-17, 2013

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Multi-step classification approaches to cumulative citation recommendation
Krisztian Balog | Heri Ramampiaro | Naimdjon Takhirov | Kjetil Nørvåg
Open research Areas in Information Retrieval, OAIR 2013, Lisbon, Portugal, May 15-17, 2013

2012

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On the use of semantic knowledge bases for temporally-aware entity retrieval
Krisztian Balog | Kjetil Nørvåg
Proceedings of the Fifth workshop on Exploiting Semantic Annotations in Information Retrieval, ESAIR 2012, Maui, HI, USA, October 28, 2012

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Collection Ranking and Selection for Federated Entity Search
Krisztian Balog | Robert Neumayer | Kjetil Nørvåg
String Processing and Information Retrieval - 19th International Symposium, SPIRE 2012, Cartagena de Indias, Colombia, October 21-25, 2012. Proceedings

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Learning to select a time-aware retrieval model
Nattiya Kanhabua | Klaus Berberich | Kjetil Nørvåg
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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Estimating query difficulty for news prediction retrieval
Nattiya Kanhabua | Kjetil Nørvåg
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Learning to rank search results for time-sensitive queries
Nattiya Kanhabua | Kjetil Nørvåg
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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SemaFor: semantic document indexing using semantic forests
George Tsatsaronis | Iraklis Varlamis | Kjetil Nørvåg
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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The SemSets model for ad-hoc semantic list search
Marek Ciglan | Kjetil Nørvåg | Ladislav Hluchý
Proceedings of the 21st World Wide Web Conference 2012, WWW 2012, Lyon, France, April 16-20, 2012

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When Simple is (more than) Good Enough: Effective Semantic Search with (almost) no Semantics
Robert Neumayer | Krisztian Balog | Kjetil Nørvåg
Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

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On the Modeling of Entities for Ad-Hoc Entity Search in the Web of Data
Robert Neumayer | Krisztian Balog | Kjetil Nørvåg
Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

2011

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A comparison of time-aware ranking methods
Nattiya Kanhabua | Kjetil Nørvåg
Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

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Time-based query performance predictors
Nattiya Kanhabua | Kjetil Nørvåg
Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

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Combination of Feature Selection Methods for Text Categorisation
Robert Neumayer | Rudolf Mayer | Kjetil Nørvåg
Advances in Information Retrieval - 33rd European Conference on IR Research, ECIR 2011, Dublin, Ireland, April 18-21, 2011. Proceedings

2010

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WikiPop: personalized event detection system based on Wikipedia page view statistics
Marek Ciglan | Kjetil Nørvåg
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

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On the selectivity of multidimensional routing indices
Christos Doulkeridis | Akrivi Vlachou | Kjetil Nørvåg | Yannis Kotidis | Michalis Vazirgiannis
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

2009

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Multidimensional routing indices for efficient distributed query processing
Christos Doulkeridis | Akrivi Vlachou | Kjetil Nørvåg | Yannis Kotidis | Michalis Vazirgiannis
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

2008

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Peer-to-peer similarity search over widely distributed document collections
Christos Doulkeridis | Kjetil Nørvåg | Michalis Vazirgiannis
Proceeding of the 2008 ACM Workshop on Large-Scale Distributed Systems for Information Retrieval, LSDS-IR 2008, Napa Valley, California, USA, October 30, 2008

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PROQID: partial restarts of queries in distributed databases
Jon Olav Hauglid | Kjetil Nørvåg
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008

2006

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The SOWES approach to P2P web search using semantic overlays
Christos Doulkeridis | Kjetil Nørvåg | Michalis Vazirgiannis
Proceedings of the 15th international conference on World Wide Web, WWW 2006, Edinburgh, Scotland, UK, May 23-26, 2006

2003

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The V2 Temporal Document Database System
Kjetil Nørvåg
Proceedings of the Twelfth International World Wide Web Conference - Posters, WWW 2003, Budapest, Hungary, May 20-24, 2003

2000

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A Comparative Study of Log-Only and In-Place Update Based Temporal Object Database Systems
Kjetil Nørvåg
Proceedings of the 2000 ACM CIKM International Conference on Information and Knowledge Management, McLean, VA, USA, November 6-11, 2000

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