2021

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Explicit diversification of search results across multiple dimensions for educational search
Sevgi Yigit-Sert | Ismail Sengor Altingovde | Craig Macdonald | Iadh Ounis | Özgür Ulusoy
2021 Volume 72 Issue 3

2020

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Supervised approaches for explicit search result diversification
Sevgi Yigit-Sert | Ismail Sengor Altingovde | Craig Macdonald | Iadh Ounis | Özgür Ulusoy
2020 Volume 57 Issue 6

2019

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Improving educational web search for question-like queries through subject classification
Tolga Yilmaz | Rifat Ozcan | Ismail Sengor Altingovde | Özgür Ulusoy
2019 Volume 56 Issue 1

2018

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Characterizing, predicting, and handling web search queries that match very few or no results
Erdem Sarigil | Ismail Sengor Altingovde | Roi Blanco | Berkant Barla Cambazoglu | Rifat Ozcan | Özgür Ulusoy
2018 Volume 69 Issue 2

2015

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Propagating Expiration Decisions in a Search Engine Result Cache
Fethi Burak Sazoglu | Özgür Ulusoy | Ismail Sengör Altingövde | Rifat Ozcan | Berkant Barla Cambazoglu
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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How k-12 students search for learning?: analysis of an educational search engine log
Arif Usta | Ismail Sengör Altingövde | Ibrahim Bahattin Vidinli | Rifat Ozcan | Özgür Ulusoy
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

2013

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Second Chance: A Hybrid Approach for Dynamic Result Caching and Prefetching in Search Engines
Rifat Ozcan | Ismail Sengör Altingövde | Berkant Barla Cambazoglu | Özgür Ulusoy
2013 Volume 8 Issue 1

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Cluster searching strategies for collaborative recommendation systems
Ismail Sengör Altingövde | Özlem Nurcan Subakan | Özgür Ulusoy
2013 Volume 49 Issue 3

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A financial cost metric for result caching
Fethi Burak Sazoglu | Berkant Barla Cambazoglu | Rifat Ozcan | Ismail Sengör Altingövde | Özgür Ulusoy
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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Strategies for setting time-to-live values in result caches
Fethi Burak Sazoglu | Berkant Barla Cambazoglu | Rifat Ozcan | Ismail Sengör Altingövde | Özgür Ulusoy
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

2012

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Cache-Based Query Processing for Search Engines
Berkant Barla Cambazoglu | Ismail Sengör Altingövde | Rifat Ozcan | Özgür Ulusoy
2012 Volume 6 Issue 4

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Static index pruning in web search engines: Combining term and document popularities with query views
Ismail Sengör Altingövde | Rifat Ozcan | Özgür Ulusoy
2012 Volume 30 Issue 1

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A five-level static cache architecture for web search engines
Rifat Ozcan | Ismail Sengör Altingövde | Berkant Barla Cambazoglu | Flavio Paiva Junqueira | Özgür Ulusoy
2012 Volume 48 Issue 5

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Characterizing web search queries that match very few or no results
Ismail Sengör Altingövde | Roi Blanco | Berkant Barla Cambazoglu | Rifat Ozcan | Erdem Sarigil | Özgür Ulusoy
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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In Praise of Laziness: A Lazy Strategy for Web Information Extraction
Rifat Ozcan | Ismail Sengör Altingövde | Özgür Ulusoy
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 Size of Full Element-Indexes for XML Keyword Search
Duygu Atilgan | Ismail Sengör Altingövde | Özgür Ulusoy
Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

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Adaptive Time-to-Live Strategies for Query Result Caching in Web Search Engines
Sadiye Alici | Ismail Sengör Altingövde | Rifat Ozcan | Berkant Barla Cambazoglu | Özgür Ulusoy
Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

2011

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Cost-Aware Strategies for Query Result Caching in Web Search Engines
Rifat Ozcan | Ismail Sengör Altingövde | Özgür Ulusoy
2011 Volume 5 Issue 2

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Exploiting navigational queries for result presentation and caching in Web search engines
Rifat Ozcan | Ismail Sengör Altingövde | Özgür Ulusoy
2011 Volume 62 Issue 4

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Evolution of web search results within years
Ismail Sengör Altingövde | Rifat Ozcan | Özgür Ulusoy
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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Timestamp-based result cache invalidation for web search engines
Sadiye Alici | Ismail Sengör Altingövde | Rifat Ozcan | Berkant Barla Cambazoglu | Özgür Ulusoy
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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Timestamp-based cache invalidation for search engines
Sadiye Alici | Ismail Sengör Altingövde | Rifat Ozcan | Berkant Barla Cambazoglu | Özgür Ulusoy
Proceedings of the 20th International Conference on World Wide Web, WWW 2011, Hyderabad, India, March 28 - April 1, 2011 (Companion Volume)

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Second Chance: A Hybrid Approach for Dynamic Result Caching in Search Engines
Ismail Sengör Altingövde | Rifat Ozcan | Berkant Barla Cambazoglu | Özgür Ulusoy
Advances in Information Retrieval - 33rd European Conference on IR Research, ECIR 2011, Dublin, Ireland, April 18-21, 2011. Proceedings

2010

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XML Retrieval Using Pruned Element-Index Files
Ismail Sengör Altingövde | Duygu Atilgan | Özgür Ulusoy
Advances in Information Retrieval, 32nd European Conference on IR Research, ECIR 2010, Milton Keynes, UK, March 28-31, 2010. Proceedings

2009

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Exploiting query views for static index pruning in web search engines
Ismail Sengör Altingövde | Rifat Ozcan | Özgür Ulusoy
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

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A Practitioner's Guide for Static Index Pruning
Ismail Sengör Altingövde | Rifat Ozcan | Özgür Ulusoy
Advances in Information Retrieval, 31th European Conference on IR Research, ECIR 2009, Toulouse, France, April 6-9, 2009. Proceedings

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A Cost-Aware Strategy for Query Result Caching in Web Search Engines
Ismail Sengör Altingövde | Rifat Ozcan | Özgür Ulusoy
Advances in Information Retrieval, 31th European Conference on IR Research, ECIR 2009, Toulouse, France, April 6-9, 2009. Proceedings

2008

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Incremental cluster-based retrieval using compressed cluster-skipping inverted files
Ismail Sengör Altingövde | Engin Demir | Fazli Can | Özgür Ulusoy
2008 Volume 26 Issue 3

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Site-based dynamic pruning for query processing in search engines
Ismail Sengör Altingövde | Engin Demir | Fazli Can | Özgür Ulusoy
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

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Utilization of navigational queries for result presentation and caching in search engines
Rifat Ozcan | Ismail Sengör Altingövde | Özgür Ulusoy
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008

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Static query result caching revisited
Rifat Ozcan | Ismail Sengör Altingövde | Özgür Ulusoy
Proceedings of the 17th International Conference on World Wide Web, WWW 2008, Beijing, China, April 21-25, 2008

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Efficient Processing of Category-Restricted Queries for Web Directories
Ismail Sengör Altingövde | Fazli Can | Özgür Ulusoy
Advances in Information Retrieval , 30th European Conference on IR Research, ECIR 2008, Glasgow, UK, March 30-April 3, 2008. Proceedings

2007

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Large-scale cluster-based retrieval experiments on Turkish texts
Ismail Sengör Altingövde | Rifat Ozcan | Huseyin Cagdas Öcalan | Fazli Can | Özgür Ulusoy
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

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An automatic approach to construct domain-specific web portals
Ismail Sengör Altingövde | Rifat Ozcan | Suleyman Cetintas | Hakan Yilmaz | Özgür Ulusoy
Proceedings of the Sixteenth ACM Conference on Information and Knowledge Management, CIKM 2007, Lisbon, Portugal, November 6-10, 2007

2004

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Metadata-based modeling of information resources on the Web
Selma Ayse Özel | Ismail Sengör Altingövde | Özgür Ulusoy | Gultekin Özsoyoglu | Z. Meral Özsoyoglu
2004 Volume 55 Issue 2

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