'Natural Language Processing (NLP)' Category
POTW 3/4/07: Answer Mining by Combining Extraction Techniques with Abductive Reasoning by Harabagiu, et. al.
Building on our discussion of TREC 2003 QA track from last week, we will examine the top performing system from Language Computer Corporation via their paper: Answer Mining by Combining Extraction Techniques with Abductive Reasoning available from the TREC 2003 proceedings located here.
Popularity: 3% [?]Popularity: 3% [?]
POTW 2/26/07: Overview of the TREC 2003 Question Answering Track by Voorhees
Overview of the TREC 2003 Question Answering Track by Voorhees is a nice introduction to the QA task, as defined by TREC. The first two sections layout the two main tasks:
The Passages Task
Main Task - Divided into three sub tasksFactoids
Lists
DefinitionsThe passages task is used to test whether a QA system can find factoids in [...]
Popularity: 3% [?]
Discussion of LexRank by Erkan and Radev
POTW 2/18/07: LexRank: Graph-based Lexical Centrality as Salience in Text Summarization
The LexRank paper by Erkan and Radev is another PageRank/Graph Theory based approach to working with text, this time applied to the task of summarization.
Key parts of sections 1 and 2 discuss the general problem of corpus-based summarization. Unlike TextRank by Mihalcea, Erkan and Radev [...]Popularity: 9% [?]
POTW 2/18/07: LexRank: Graph-based Lexical Centrality as Salience in Text Summarization
The POTW for 2/18/07 is another graph-based approach, this time by another leader in this area, Dragomir Radev. The paper is
LexRank: Graph-based Lexical Centrality as Salience in Text Summarization
Enjoy!
Popularity: 6% [?]Popularity: 6% [?]
POTW 2/11/07: Discussion of sections 5-8 of Minkov, et. al
POTW 2/11/07: Contextual Search and Name Disambiguation in Email Using Graphs
Discussion of Sections 5 through 8
The remaining sections of this paper are discussions of two applications of the algorithms plus the body of related work and conclusions that can be drawn from the work. Section 5 gives the details on what corpora were used [...]Popularity: 7% [?]
