Title

A Method for Calculating Term Similarity on Large Document Collections

Meeting name

International Conference on Information Technology: Coding and Computing

Document Type

Conference Proceeding

Publication Date

4-28-2003

Description

We present an efficient algorithm called the Quadtree Heuristic for identifying a list of similar terms for each unique term in a large document collection. Term similarity is defined using the expected mutual information measure (EMIM). Since our aim for defining the similarity lists is to improve information retrieval (IR), we present the outcome of an experiment comparing the performance of an IR engine designed to use the similarity lists. Two methods were used to generate similarity lists: a brute-force technique and the Quadtree Heuristic. The performance of the list generated by the Quadtree Heuristic was commensurate with the brute force list.

Keywords

Brute force technique; Code words; EMIM; Expected Mutual Information Measure; Heuristic algorithms; Information retrieval; IR engine; Keyword searching; Large document collections; Quadtree Heuristic; Quadtrees; Similarity lists; Synonyms; Term similarity

Disciplines

Computer Engineering | Computer Sciences | Databases and Information Systems | Data Storage Systems | Electrical and Computer Engineering | Library and Information Science | Theory and Algorithms

Permissions

Use Find in Your Library, contact the author, or interlibrary loan to garner a copy of the item. Publisher policy does not allow archiving the final published version. If a post-print (author's peer-reviewed manuscript) is allowed and available, or publisher policy changes, the item will be deposited.

Identifier

DOI: 10.1109/ITCC.2003.1197526