A Generalized Vector Space Model for Ontology-Based Information Retrieval

no code implementations • 20 Jul 2018 • Vuong M. Ngo, Tru H. Cao

Named entities (NE) are objects that are referred to by names such as people, organizations and locations.

Information Retrieval Retrieval

WordNet-Based Information Retrieval Using Common Hypernyms and Combined Features

no code implementations • 15 Jul 2018 • Vuong M. Ngo, Tru H. Cao, Tuan M. V. Le

Experiments on a benchmark dataset show that, in terms of the MAP measure, our search engine is 17. 7% better than the lexical search, and at least 9. 4% better than all surveyed search systems using WordNet.

Information Retrieval Retrieval +1

Ontology-Based Query Expansion with Latently Related Named Entities for Semantic Text Search

no code implementations • 15 Jul 2018 • Vuong M. Ngo, Tru H. Cao

It exploits ontological features of named entities and their latently related ones to reveal the semantics of documents and queries.

Information Retrieval Retrieval