Reminder : Structured Retrieval for Question Answering @ 20/07/07

[Jonathan Elsas]

Reminder: the IR series will have a talk tomorrow.  Matthew W.  
Bilotti will present "Structured Retrieval for Question Answering"

Note: This talk is not in our usual room.  NSH 1109 is in the Field  
Robotics Center.

On Jul 17, 2007, at 4:06 PM, Grace Hui Yang wrote:

> Dear All,
> We are pleased to announce the IR series talk on this Friday. The  
> talk will be given by Matthew W. Bilotti. The talk is about  
> "Structured Retrieval for Question Answering". Lunch will be  
> provided by our sponsor Yahoo!.
>
> See you there!
>
>
> Time: 12:00 noon
> Date: July 20 2007 (Friday)
> Location: NSH 1109
>
> Speaker: Matthew W. Bilotti
> Topic: Structured Retrieval for Question Answering
>
> Abstract:
> Bag-of-words retrieval is popular among Question Answering
> (QA) system developers, but it does not support constraint
> checking and ranking on the linguistic and semantic
> information of interest to the QA system. We present an
> approach to retrieval for QA, applying structured retrieval
> techniques to the types of text annotations that QA systems
> use. We demonstrate that the structured approach can retrieve
> more relevant results, more highly ranked, compared
> with bag-of-words, on a sentence retrieval task. We also
> characterize the extent to which structured retrieval effectiveness
> depends on the quality of the annotations.
>
>
> The paper is published in SIGIR 2007. Here is a copy of the paper :  
> http://www.cs.cmu.edu/~mbilotti/pubs/Bilotti:SIGIR07.pdf
>
> ----------
> Grace, Jaime, Jon
>