Bilkent University Web-db Research Group aims to develop solutions for problems in Web and Database fields by utilizing artificial intelligence and machine learning.

Our current research interests include
  • Natural Language Interface to Databases
  • SQL Query Reccomendation in Relational Databases
  • Social Web search and personalization
  • Efficiency and scalability issues  for Web-IR
  • Domain-specific (a.k.a. topical/vertical) search engines
  • Web information extraction
  • Metadata based modeling and querying of Web resources
News & Announcements

30.04.2021 We are looking for highly-motivated and hard-working GRADUATE and  UNDERGRADUATE students for research projects. If you feel like interested, please drop an email to oulusoy@cs.bilkent.edu.tr

26.04.2021 Our work entitled "Learning to Rank for Educational Search Engines" is published in IEEE Transactions on Learning Technologies (IEEE TLT) Journal (pre-print).

24.01.2021 Our work entitled "DBTagger: Multi-Task Learning for Keyword Mapping in NLIDBs Using Bi-Directional Recurrent Neural Networks" is published in Proceedings of the VLDB Endowment (VLDB'21) Journal (Volume 14 Issue 5, January 2021).

22.07.2020 Our work entitled "Explicit diversification of search results across multiple dimensions for educational search" is accepted for publication in Journal of the Association for Information Science and Technology (JASIST) Journal (Volume 72 Issue 3, 2021).

05.07.2020 Our work entitled "Supervised approaches for explicit search result diversification" is accepted for publication in Information Processing and Management (IPM) Journal (Volume 57 Issue 6, 2020).

08.09.2019 Our work entitled "Re-finding Behaviour in Educational Search" is presented in the 23rd International Conference on Theory and Practice of Digital Libraries (TPDL'19).

01.01.2019 Our work entitled "Improving educational web search for question-like queries through subject classification" is published in Information Processing and Management (IPM) Journal (Volume 56 Issue 1, January 2019).

22.09.2017 Our work entitled "Characterizing, predicting, and handling web search queries that match very few or no results" is published in Journal of the Association for Information Science and Technology (JASIST) (Volume 69 Issue 2, 2018).

21.06.2016 Our work entitled "Towards detecting media bias by utilizing user comments" is presented in ACM Conference on Web Science (WebSci’16), Hannover, Germany, May 2016.

01.05.2016 Our work entitled "A "Suggested" Picture of Web Search in Turkish" is published in ACM Transactions on Asian and Low-Resource Language Information Processing (ACM TALLIP) Journal.

18.05.2015 Our work entitled "Propagating Expiration Decisions in a Search Engine Result Cache" is presented in the 24th International Conference on World Wide Web (WWW'15).

06.07.2014 Our work entitled "How k-12 students search for learning?: analysis of an educational search engine log" is presented in the 37th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR'14).

15.01.2014 Our article entitled "Second Chance: A Hybrid Approach for Dynamic Result Caching and Prefetching in Search Engines" is published in the ACM Transactions on the Web (TWEB) Journal (Volume 8 Issue 1, December 2013).

01.10.2013 Our work entitled "Strategies for setting time-to-live values in result caches" is accepted for the ACM 22nd Conference on Information and Knowledge Management (CIKM'13).

01.08.2013 Our work entitled "A Financial Cost Metric for Result Caching" is accepted for the 36th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR'13).

15.03.2013 Our project proposal entitled "Optimization of Search Technologies for Students at Primary and Secondary Schools" for TUBITAK-1003 program is accepted.

01.03.2013 Our article entitled "Cluster searching strategies for collaborative recommendation systems" is published in the Elsevier Information Processing & Management (IPM) journal (Volume 49 Issue 3, May 2013).

01.12.2012 Our article entitled "Cache-Based Query Processing for Search Engines" is published in the ACM Transactions on the Web (TWEB) journal (Volume 6 Issue 4, November 2012).

01.11.2012 Our article entitled "Five-level Static Cache Architecture for Web Search Engines" is published in the Elsevier Information Processing & Management (IPM) journal (Volume 48 Issue 5, Sept 2012).

01.10.2012 Our work entitled "Characterizing Web Search Queries that Match Very Few or No Results" is accepted for the ACM 21st Conference on Information and Knowledge Management (CIKM'12).

01.02.2012 Our article entitled "Static index pruning in web search engines: Combining term and document popularities with query views" is published in the first issue of ACM Transactions on Information Systems journal.

01.02.2012 Our 3 works appear in ECIR 2012:

  • Adaptive Time-to-Live Strategies for Query Result Caching in Web Search Engines  
  • In Praise of Laziness: A Lazy Strategy for Web Information Extraction
  • On the Size of Full Element-Indexes for XML Keyword Search