Retrieval approach to extract opinions about people from resource scarce language news articles

  • Authors:
  • Aditya Mogadala;Vasudeva Varma

  • Affiliations:
  • Search and Information Extraction Lab, IIIT-H, Hyderabad, India;Search and Information Extraction Lab, IIIT-H, Hyderabad, India

  • Venue:
  • Proceedings of the First International Workshop on Issues of Sentiment Discovery and Opinion Mining
  • Year:
  • 2012

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Abstract

We wish to address the challenging task of opinion mining about organizations, people and places from different languages. It is known that resources and tools for mining opinions are scarce. In our study, we leverage comparable news articles collection to retrieve opinions about people (opinion targets) in resource scarce language like Hindi. Opinions expressed about opinion targets (Named Entities)given by adjectives and verbs known as opinion words are extracted from English collection of comparable corpora to get transliterated and translated to resource scare languages. Transformed opinion words are then used to create subjective language model (SLM) and structured opinion queries (OQs) using inference network (IN) for retrieval to confirm the opinion about opinion targets in documents. Experiments have shown that OQs and SLM with IN framework are effective for opinion mining tasks in minimal resource languages when compared to other retrieval approaches.