Duplicate Bug Report Detection with A Combination of
Information Retrieval and Topic Modeling

Anh Tuan Nguyen, Tung Thanh Nguyen, Tien N. Nguyen, David Lo, and Chengnian Sun


DBTM's Approach

BM25F for Textual Similarity Measure


BM25F is a popular advanced document similarity function based on weighted word vector
of documents.

Further details about BM25, BM25F and BM25FExt in the following links: