Combining multiple sources of evidence for information retrieval

• Main Author: Xi, Wensi
• Other Authors: Khoo, Christopher Soo Guan
• Format: Theses and Dissertations
• Published: 2008
• Subjects: DRNTU::Engineering::Computer science and engineering::Information systems::Information storage and retrieval; DRNTU::Engineering::Computer science and engineering::Computing methodologies::Artificial intelligence
• Online Access: http://hdl.handle.net/10356/2543
• Institution: Nanyang Technological University

This study explores the use of logistic regression for combining multiple sources of evidence and different weighting schemes for the purpose of improving the retrieval performance. The effectiveness of using logistic regression is compared with the effectiveness of manually combined methods.