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CIKM 2010 in Toronto, ON, Canada

I’m back from Toronto, where a few of us attended the CIKM 2010 conference last week. On Friday, I presented our paper on “Selectively diversifying Web search results”, a joint work with Craig Macdonald and Iadh Ounis. This work extends our successful … → Read More: CIKM 2010 in Toronto, ON, Canada

Components of Compelling Vertical Search

In this post, I will discuss key components of successful topic-specific vertical search. I was motivated to write it by the launch of blekko earlier this week. Blekko is marketing its ability to slice the web up into verticals using slashtags. Blekk… → Read More: Components of Compelling Vertical Search

Slides from CIKM 2010 Reverted Indexing talk

Slides from our conference presentation on reverted indexing are now online. → Read More: Slides from CIKM 2010 Reverted Indexing talk

Facial recognition security to keep handset data safe

Reported By Stewart Mitchell in PCPro – Article from http://gsirak.ee.duth.gr/index.php/archives/163 Mobile phone security could come face-to-face with science fiction following a demonstration of biometric technology by scientists at the University … → Read More: Facial recognition security to keep handset data safe

The IASTED International Conference on Signal and Image Processing and Applications ~SIPA 2011~

http://www.iasted.org/conferences/cfp-738.html CONFERENCE CHAIR Prof. Ioannis AndreadisDemocritus University of Thrace, Greece LOCATION Situated in the warm and sunny Mediterranean, Crete is the largest of the Greek islands. It is renowned in myth and … → Read More: The IASTED International Conference on Signal and Image Processing and Applications ~SIPA 2011~

On term selection in reverted indexing

Jeremy Pickens contributed to this post.
Jeremy did a great job of presenting our Reverted Indexing paper, but the short session made it difficult to answer all questions and comments thoroughly. For example, William Webber wrote up a post summarizing our work, in which he observed
The authors surmise that the reverted index is more effective because it [...] → Read More: On term selection in reverted indexing

Blekko Launches: Brings Transparency to Relevance Ranking

blekko launched its public beta on Monday. blekko is a new web search engine that focuses on creating an open and transparent process around search engine relevance ranking. blekko is attempting to differentiate itself as the open alternative to “close… → Read More: Blekko Launches: Brings Transparency to Relevance Ranking

Sue Dumais at CIKM 2010

Sue Dumais of MSR gave an excellent keynote address at CIKM last week, in which she emphasized the temporal nature of collections used for information retrieval and of the way people access information on the web. This was by far the most user-oriented talk at the conference that I attended, and a refreshing change from [...] → Read More: Sue Dumais at CIKM 2010

Ph.D. and Post doc positions – Distributed Web Mining

Applications are invited for
- one PhD position, starting December 2010,
- one Post-doc position available in the period 2011-2012

under the supervision of Prof. M. Vazirgiannis.

The Research areas are:

1. Distributed Machine Learning & Data Mining

2. Machine Learning for the Web Graph & Social networks

more details can be provided upon request.

Requirements for the Ph.D. position
—————————————
Prospective applicants should have
- a → Read More: Ph.D. and Post doc positions – Distributed Web Mining

Reverted indexes and true relevance feedback

I was fortunate enough at CIKM not only to meet the two bloggers cited in my thesis, namely Gene Golovchinsky and Jeremy Pickens of FXPAL (the latter now of Catalyst), but also to hear Jeremy present one of the more interesting papers of the conference, “Reverted Indexing for Feedback and Expansion” (co-authored with Gene and [...] → Read More: Reverted indexes and true relevance feedback