language: en

A Language Model Approach to Keyphrase Extraction

Takashi Tomokiyo and Matthew Hurst
Applied Research Center Intelliseek, Inc.
Pittsburgh, PA 15213
ttomokiyo,mhurst¡ @intelliseek.com

Abstract We present a new approach to extracting keyphrases based on statistical language models. Our approach is to use pointwise KL-divergence between multiple language models for scoring both phraseness and informativeness, which can be unified into a single score to rank extracted phrases.

1 Introduction