An Ad Hoc Information Retrieval Perspective on PLSI through Language Model Identification

  • Authors:
  • Jean-Cédric Chappelier;Emmanuel Eckard

  • Affiliations:
  • School of Computer and Communication Sciences, École Polytechnique Fédérale de Lausanne, Lausanne CH-1015;School of Computer and Communication Sciences, École Polytechnique Fédérale de Lausanne, Lausanne CH-1015

  • Venue:
  • ICTIR '09 Proceedings of the 2nd International Conference on Theory of Information Retrieval: Advances in Information Retrieval Theory
  • Year:
  • 2009

Quantified Score

Hi-index 0.00

Visualization

Abstract

This paper proposes a new document---query similarity for PLSI that allows queries to be used in PLSI without folding-in. We compare this similarity to Fisher kernels, the state-of-the-art approach for PLSI, on a corpus of 1M+ word occurrences coming from TREC---AP.