ECIR 04
Gary Marchionini, UNC-Chapel Hill
Content-Centered
Retrieval as Matching Document
Representations to Query Representations
Document
Space
Sample
Sample
Query
Space
Surrogates
Surrogates
Terms
Vectors
Etc..
Query Form B
Etc..
Match
Algorithm
A powerful paradigm that has
driven IR R&D for half a century.
Evaluation
metric is effectiveness of the match. (e.g., recall and precision).
Query Form A