PUBLICATIONS


Journal Publications


  1. R. Ozcan, I. S. Altingovde, Ö. Ulusoy, Exploiting navigational queries for result presentation and caching in Web search engines, Journal of the American Society for Information Science and Technology, Volume 62, Issue 4, pages 714-726, April 2011. (publisher link)

     

  2. R. Ozcan, I. S. Altingovde, B. B. Cambazoglu, F. P. Junqueira, and Ö. Ulusoy, Five-level static cache architecture for web search engines, Information Processing & Management, in press. (publisher link)

     

  3. R. Ozcan, I. S. Altingovde, Ö. Ulusoy. Cost-Aware Strategies for Query Result Caching in Web Search Engines, ACM Transactions on Web,  in press (pdf).

     

  4. I. S. Altingovde, E. Demir, F. Can, Ö. Ulusoy, Incremental Cluster-Based Retrieval Using Compressed Cluster-Skipping Inverted Files, ACM Transactions on Information Systems (TOIS), vol.26, no.3, 2008. (pdf copy)

     

  5. I. S. Altingovde, Ö. Ulusoy. Exploiting Interclass Rules for Focused Crawling. IEEE Intelligent Systems, 19, 6 (November-December 2004), 66-73. (pdf copy)

     

  6. G. Ozsoyoglu, I. S. Altingovde, A. Al-Hamdani, S. A. Ozel, Ö. Ulusoy, Z. M. Ozsoyoglu. Querying Web Metadata: Native Score Management and Text Support in Databases. ACM Transactions on Database Systems (TODS), 29, 4 (December 2004), 581-634. (pdf copy)

     

  7. S. A. Ozel, I. S. Altingovde, Ö. Ulusoy, G. Ozsoyoglu, Z. M. Ozsoyoglu, Metadata-Based Modeling of Information Resources on the Web. Journal of the American Society for Information Science and Technology (JASIST), vol. 55, no 2 (January 2004), 97-110. (pdf copy)

International Conference Publications

  1. S. Alici, I. S. Altingovde, R. Ozcan, B. B. Cambazoglu, and Ö. Ulusoy, Timestamp-based Cache Invalidation for Search Engines, WWW 2011, to appear.

     

  2. I. S. Altingovde, R. Ozcan, B. B. Cambazoglu, and Ö. Ulusoy, Second Chance: A Hybrid Approach for Dynamic Result Caching in Search Engines, Proceedings of the 33rd European Conference on Information Retrieval (ECIR), to appear.

     

  3. I. S. Altingovde, D. Atilgan, Ö. Ulusoy, XML Retrieval using Pruned Element-Index Files, Proceedings of the 32nd European Conference on Information Retrieval (ECIR), pp. 306–318, Milton Keynes, UK, March 2010. (pdf)

     

  4. I. S. Altingovde, D. Atilgan, Ö. Ulusoy, Exploiting Index Pruning Methods for Clustering XML Collections, Proceedings of the 8th International Workshop of the Initiative for the Evaluation of XML Retrieval (INEX), pp. 379–386, Brisbane, Australia, December 2009. (pdf)

     

  5. I. S. Altingovde, R. Ozcan, Ö. Ulusoy, Exploiting Query Views for Static Index Pruning in Web Search Engines, Proceedings of the 18th ACM Conference on Information and Knowledge Management (CIKM), pp. 1951–1954, HK, China, November 2009. (pdf)

     

  6. I. S. Altingovde, R. Ozcan, Ö. Ulusoy, A Practitioner’s Guide for Static Index Pruning, Proceedings of the 31st European Conference on Information Retrieval (ECIR), pp.675–679, Toulouse, France, April 2009. (Best Poster Award) (pdf)

     

  7. I. S. Altingovde, R. Ozcan, Ö. Ulusoy, A Cost-Aware Strategy for Query Result Caching in Web Search Engines, Proceedings of the 31st European Conference on Information Retrieval (ECIR), pp. 628–636, Toulouse, France, April 2009.  (pdf)

     

  8. R. Ozcan, I. S. Altingovde, Ö. Ulusoy, Utilization of Navigational Queries for Result Presentation and Caching in Search Engines, ACM 17th Conference on Information and Knowledge Management (CIKM'08), Napa Valley, California, USA, October 2008.(pdf copy)

     

  9. R. Ozcan, I. S. Altingovde, Ö. Ulusoy, Space efficient caching of query results in search engines, International Symposium on Computer and Information Sciences (ISCIS'08), Istanbul, Turkey, October 2008. (pdf copy)

     

  10. I. S. Altingovde, E. Demir, F. Can, Ö. Ulusoy, Site-based Dynamic Pruning for Query Processing in Search Engines, 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR'08), Singapore, 2008. (pdf copy)

     

  11. I. S. Altingovde, F. Can, Ö. Ulusoy, Efficient Processing of Category-Restricted Queries for Web Directories, 30th European Conference on Information Retrieval (ECIR'08),  Lecture Notes in Computer Science (Springer Verlag), vol.4956, 2008.(pdf copy)

     

  12. R. Özcan, I. S. Altingovde, Ö. Ulusoy, Static Query Result Caching Revisited, 17th International Conference on World Wide Web (WWW'08), Beijing, China, 2008. (pdf copy)

     

  13. I. S. Altingövde, R. Ozcan, S. Cetintas, H.Yilmaz, Ö. Ulusoy, An Automatic Approach to Construct Domain-Specific Web Portals, ACM 16th Conference on Information and Knowledge Management (CIKM’07), Lisbon, Portugal, November 2007.(pdf copy) 

     

  14. I. S. Altingovde, R. Ozcan, H.C. Ocalan, F. Can, Ö. Ulusoy, Large-Scale Cluster-Based Retrieval Experiments on Turkish Texts, 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR'07), Amsterdam, The Netherlands, July 2007. (pdf copy)

     

  15. I. S. Altingovde, F. Can, Ö. Ulusoy, Algorithms for Within-Cluster Searches Using Inverted Files, International Symposium on Computer and Information Sciences (ISCIS'06), Lecture Notes in Computer Science (Springer Verlag), vol.4263, 2006. (pdf copy)

     

  16. G. Ozsoyoglu, Abdullah Al-Hamdani, I. S. Altingovde, S. A. Ozel, Ö. Ulusoy, Z. M. Ozsoyoglu, Sideway Value Algebra for Object-Relational Databases, International Conference on Very Large Databases (VLDB'02), Hong Kong, August 2002. (pdf copy)

     

  17. I. S. Altingovde, S. A. Ozel, Ö. Ulusoy, G. Ozsoyoglu, Z. M. Ozsoyoglu, Topic-Centric Querying of Web Information Resources, Database and Expert Systems Applications (DEXA'01), Lecture Notes in Computer Science (Springer Verlag), vol.2113, September 2001. (ps copy)

     

 

National Conference Publications (in Turkish)

  1. I. S. Altingövde, E. Saykol, Ö. Ulusoy, U. Güdükbay, E. Çetin, M. Göçmen, Osmanli Arsivleri Içerik-Bazli Sorgulama (IBS) Sistemi (Content-Based Retrieval (CBR) System for Ottoman Archives) (in Turkish) , IEEE Sinyal Isleme ve Uygulamalari Kurultayi (SIU'06), Antalya, Turkey, April 2006. ( pdf copy)

     

  2. Y. Bastanlar, S. Altingövde, A. Aksay, O. Alav, Ö. Çavus, A. Alatan, Y. Yardimci, Ö. Ulusoy, U. Güdükbay, E. Çetin, G. Bozdagi Akar, S. Aksoy, E-Müze: Müzeler için Web-Tabanli Gezi ve Bilgi Sistemi (E-Museum: Web-based Tour and Information System for Museums) (in Turkish), IEEE Sinyal Isleme ve Uygulamalari Kurultayi (SIU'06), Antalya, Turkey, April 2006. ( pdf copy)

Reports

  1. I. S. Altingovde, R. Ozcan,  Ö. Ulusoy, Combining Term and Document Popularities with Query Views for Static Index Pruning, Technical Report, Bilkent University, 2011. (BU-CE-1103)

     

  2. I. S. Altingovde, S. A. Ozel, O. Ulusoy, G. Ozsoyoglu, Z. M. Ozsoyoglu, SQL-TC: A Topic-Centric Query Language for Web-Based Information Resources, Technical Report, Bilkent University, 2001. (BU-CE-0108)

     

Theses

  1. Duygu Atilgan, Efficiency and Effectiveness of XML Keyword Search Using a Full Element-Index, M.S. Thesis, Bilkent University, Ankara, Turkey, August 2010.

     

  2. Ozlem Nurcan Subakan, Cluster-Based Collaborative Filtering with Inverted Indexing, M.S. Thesis, Bilkent University, Ankara, Turkey, August 2005.

     

  3. Selma Ayse Ozel, Metadata-Based and Personalized Web Querying, Ph.D. Thesis, Bilkent University, Ankara, Turkey, January 2004.

     

  4. Mustafa Kutluturk, Implementation of a Topic Map Data Model for a Web-Based Information Resource, M.S. Thesis, Bilkent University, Ankara, Turkey, August 2002.

     

  5. I. S. Altingovde, Topic-Centric Querying of Web Resources, M.S. Thesis, Bilkent University, Ankara, Turkey, September 2001.