Talks and Publications

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Talks and lectures

  1. Large-Scale Real-Time Data Management for Engagement and Monetization – Invited talk, LSDS-IR@CIKM 2015.
  2. Efficient Query Processing in Web Search Engines – Guest Lecture, UiO 2015.
  3. Leveraging Big Data and Real-Time Analytics at Cxense – Guest Lecture, NTNU 2015.
  4. A brief introduction to Apache Spark – Brown Bag Session, Cxense 2014.
  5. Hardware Developments and Algorithm Design: "What should be done to IR algorithms to meet current, and possible future, hardware trends?" – Trial Lecture, NTNU 2013.
  6. Efficient Query Processing in Distributed Search Engines – PhD Defense, NTNU 2013.
  7. A number of lectures in Algorithms and Data Structures held between 2005 and 2008. For example a note on complexity analysis of recursive algorithms.

Theses

  1. Efficient Query Processing in Distributed Search Engines – PhD Thesis, NTNU 2013.
    [ Abstract | PDF ]
  2. Distributed Inverted Indexes – Master Thesis, NTNU 2008.
    [ PDF ]

Publications

  1. Large-Scale Real-Time Data Management for Engagement and Monetization. Proceedings of the 12th International Workshop on Large-Scale and Distributed Systems for Information Retrieval (LSDS-IR), pp 1-2, ACM 2015.
    [ ACM ]
  2. Improving dynamic index pruning via linear programming. Proceedings of the 12th International Workshop on Large-Scale and Distributed Systems for Information Retrieval (LSDS-IR), pp 21-25, ACM 2015.
    [ ACM ]
  3. Improving The Performance of Pipelined Query Processing With Skipping — and its Comparison to Document-Wise Partitioning – with Svein Erik Bratsberg.The World Wide Web Journal, 17(5), pp 949-967, Springer 2014.
    [ SpringerLink ]
  4. A term-based inverted index partitioning model for efficient distributed query processing – with B. Barla Cambazoglu, Enver Kayaaslan and Cevdet Aykanat. ACM Transactions on the Web (TWEB), 7(3), article 15, 23 pages, ACM 2013
    [ ACM | Bibtex ]
  5. Efficient query processing in distributed search engines – Dissertation Abstract, ACM SIGIR Forum, 47(1), pp 60-61, ACM 2013.
    [ ACM| Bibtex ]
  6. Improving the Performance of Pipelined Query Processing with Skipping – with Svein Erik Bratsberg. Proceedings of the 13th International Conference on Web Information Systems Engineering (WISE), pp 1-15, Paphos, Cyprus, Springer 2012.
    [ SpringerLink | Bibtex ]
  7. Prefetching Query Results and its Impact on Search Engines – with B. Barla Cambazoglu, Fabrizio Silvestri. Proceedings of the 35th International ACM SIGIR Conference on Research and Development in Information Retrieval, pp 631-640, Portland, OR, USA, ACM 2012.
    [ ACM | Bibtex ]
  8. Scalable Search Platform: Improving Pipelined Query Processing for Distributed Full-Text Retrieval – Doctoral Consortium, Proceedings of the 21st World Wide Web Conference (WWW), Companion Volume, pp 145-150, Lyon, France, ACM 2012.
    [ PDF | Bibtex ]
  9. Modeling Static Caching in Web Search Engines – with Ricardo Baeza-Yates. Proceedings of the 34th European Conference on Information Retrieval (ECIR), pp 436-446, Barcelona, Spain, Springer 2012.
    [ SpringerLink | Bibtex ]
  10. Intra-Query Concurrent Pipelined Processing for Distributed Full-Text Retrieval – with Svein Erik Bratsberg. Proceedings of the 34th European Conference on Information Retrieval (ECIR), pp 413-425, Barcelona, Spain, Springer 2012.
    [ SpringerLink | Bibtex ]
  11. Efficient Processing of Top-k Spatial Keyword Queries – with João B. Rocha-Junior, Orestis Gkorgkas and Kjetil Nørvåg. Proceedings of the International Symposium on Spatial and Temporal Databases (SSTD), pp 205-222, Minneapolis, MN, USA, Springer 2011.
    [ SpringerLink | Bibtex ]
  12. Efficient Compressed Inverted Index Skipping for Disjunctive Text-Queries – with Svein Erik Bratsberg. Proceedings of the 33rd European Conference on Information Retrieval (ECIR), pp 530-542, Dublin, Ireland, Springer 2011.
    [ SpringerLink | Bibtex ]
  13. A Combined Semi-Pipelined Query Processing Architecture for Distributed Full-Text Retrieval – with Svein Erik Bratsberg. Proceedings of the 11th International Conference on Web Information Systems Engineering (WISE), pp 587-601, Hong Kong, China, Springer 2010. (Best Paper Award)
    [ SpringerLink | Bibtex ]
  14. Impact of the Query Model and System Settings on Performance of Distributed Inverted Indexes – with Svein Erik Bratsberg. Proceedings of the 22nd Norwegian Informatics Conference (NIK), pp 143-154, Trondheim, Norway, Tapir Akademisk Forlag 2009.
    [ PDF ]