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Computational Linguistics and Information Processing

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The CLIP Colloquium is a weekly speaker series organized and hosted by CLIP Lab. The talks are open to everyone. Most talks are held at 11AM in AV Williams 3258 unless otherwise noted. Typically, external speakers have slots for one-on-one meetings with Maryland researchers before and after the talks; contact the host if you'd like to have a meeting.
<center>[[Image:colloq.jpg|center|504px|x]]</center>


If you would like to get on the cl-colloquium@umiacs.umd.edu list or for other questions about the colloquium series, e-mail [mailto:jimmylin@umd.edu Jimmy Lin], the current organizer.
== CLIP Colloquium ==


The CLIP Colloquium is a weekly speaker series organized and hosted by CLIP Lab. The talks are open to everyone. Most talks are held on Wednesday at 11AM online unless otherwise noted. Typically, external speakers have slots for one-on-one meetings with Maryland researchers.


{{#widget:Google Calendar
If you would like to get on the clip-talks@umiacs.umd.edu list or for other questions about the colloquium series, e-mail [mailto:aiwei@umiacs.umd.edu Wei Ai], the current organizer.
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|title=Upcoming Talks
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For up-to-date information, see the [https://talks.cs.umd.edu/lists/7 UMD CS Talks page].  (You can also subscribe to the calendar there.)


== 10/03/2012: Shay Cohen ==
=== Colloquium Recordings ===
* [[Colloqium Recording (Fall 2020)|Fall 2020]]
* [[Colloqium Recording (Spring 2021)|Spring 2021]]
* [[Colloqium Recording (Fall 2021)|Fall 2021]]
* [[Colloqium Recording (Spring 2022)|Spring 2022]]


== 09/19/2012: Earl Wagner ==
=== Previous Talks ===
* [[https://talks.cs.umd.edu/lists/7?range=past Past talks, 2013 - present]]
* [[CLIP Colloquium (Spring 2012)|Spring 2012]]  [[CLIP Colloquium (Fall 2011)|Fall 2011]]  [[CLIP Colloquium (Spring 2011)|Spring 2011]]  [[CLIP Colloquium (Fall 2010)|Fall 2010]]


== 09/12/2012: 5 Minute Madness (Part II) ==
== CLIP NEWS  ==


== 09/05/2012: 5 Minute Madness (Part I) ==
* News about CLIP researchers on the UMIACS website [http://www.umiacs.umd.edu/about-us/news]
 
* Please follow us on Twitter @ClipUmd[https://twitter.com/ClipUmd?lang=en]
== 08/20/2012: TopSig – Signature Files Revisited (Shlomo Geva)==
'''Speaker:''' Shlomo Geva, Queensland University of Technology, Australia<br/>
'''Time:''' Monday August 20, 11:00 AM<br/>
'''Venue:''' AVW 3120<br/>
 
'''Abstract:''' Performance comparisons between File Signatures and Inverted
Files for text retrieval have previously shown several
significant shortcomings of file signatures relative to inverted
files. The inverted file approach underpins most state-of-theart
search engine algorithms, such as Language and Probabilistic
models. It has been widely accepted that traditional
file signatures are inferior alternatives to inverted files. This
paper describes TopSig, a modern approach to the construction
of file signatures - many advances in semantic hashing and
dimensionality reduction have been made in recent times,
but these were not so far linked to general purpose, signature
file based, search engines. This paper introduces a different
signature file approach that builds upon and extends
these recent advances. We are able to demonstrate significant
improvements in the performance of signature file based
indexing and retrieval, performance that is comparable to
that of state of the art inverted file based systems, including
Language models and BM25. These findings suggest that
file signatures offer a viable alternative to inverted files in
suitable settings and position the file signature model in
the class of Vector Space retrieval models.
TopSig is an open-source search engine from QUT and it can be discussed too if there is an interest.
 
'''About the Speaker:''' Associate Professor Shlomo Geva is the discipline leader for
Computational Intelligence and Signal Processing in the Computer
Science Department at the Queensland University of Technology in
Brisbane, Australia. His research interests include clustering,
cross-language information retrieval, focused information retrieval,
link discovery, and xml indexing.
 
'''Host:''' Doug Oard, oard@umd.edu  
 
== Talks From Previous Semesters ==
* [[CLIP Colloquium (Spring 2012)|Spring 2012]]
* [[CLIP Colloquium (Fall 2011)|Fall 2011]]
* [[CLIP Colloquium (Spring 2011)|Spring 2011]]
* [[CLIP Colloquium (Fall 2010)|Fall 2010]]

Revision as of 04:49, 6 May 2022

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CLIP Colloquium

The CLIP Colloquium is a weekly speaker series organized and hosted by CLIP Lab. The talks are open to everyone. Most talks are held on Wednesday at 11AM online unless otherwise noted. Typically, external speakers have slots for one-on-one meetings with Maryland researchers.

If you would like to get on the clip-talks@umiacs.umd.edu list or for other questions about the colloquium series, e-mail Wei Ai, the current organizer.

For up-to-date information, see the UMD CS Talks page. (You can also subscribe to the calendar there.)

Colloquium Recordings

Previous Talks

CLIP NEWS

  • News about CLIP researchers on the UMIACS website [1]
  • Please follow us on Twitter @ClipUmd[2]