[TR-113] The LGD Loglogistic model for IR Created: 13/Apr/10  Updated: 13/Apr/10  Resolved: 13/Apr/10

Status: Resolved
Project: Terrier Core
Component/s: .matching
Affects Version/s: None
Fix Version/s: 3.5

Type: New Feature Priority: Major
Reporter: Iadh Ounis Assignee: Craig Macdonald
Resolution: Fixed  
Labels: None

Attachments: Text File LGD.java    


Recently, S. Clinchant and E. Gaussier from Xerox/Grenoble University, have developed a new information-based model for ad hoc information retrieval, from the DFR family. See below:

Stephane Clinchant and Eric Gaussier. Bridging Language Modeling and Divergence From Randomness Approaches: A Log-logistic Model for IR. ICTIR 2009, London, UK.
URL: http://www.springerlink.com/content/f66q1228432w6605/

More details about the model can also be found in the forthcoming SIGIR 2010 paper:
Stephane Clinchant and Eric Gaussier. Information-Based Models for Ad Hoc Information Retrieval. SIGIR 2010, Geneva, Switzerland.

Gianni Amati has kindly provided an implementation of the LGD model for testing.

Comment by Craig Macdonald [ 13/Apr/10 ]

I have committed this to trunk. Thanks Gianni and Iadh!

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