Scalable Online Index Construction with Multi-core cpus

Hiroyuki Yamada, Motomichi Toyama

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)


Inverted index is a core element of current text retrieval systems. They can be dynamically constructed using online indexing approaches in the environment which even a small delay in timeliness cannot be tolerated, and the index must always be queryable and up to date. Recently, efficient online index construction schemes have been proposed, however, previous works have not focused on scalability with the modern commodity hardware resources such as multi-core CPUs. In this paper, we propose a scalable online index construction method that better utilizes multicore CPUs. Using experiments on 30 GB of web data, we demonstrate the efficiency of our method in practice, showing that it dramatically reduces online index construction time without sacrificing query performance.

Original languageEnglish
Pages (from-to)29-36
Number of pages8
JournalConferences in Research and Practice in Information Technology Series
Publication statusPublished - 2010 Dec 1
Event21st Australasian Database Conference, ADC 2010 - Brisbane, QLD, Australia
Duration: 2010 Jan 182010 Jan 21


  • Index maintenance
  • Information retrieval
  • Inverted index
  • Online index construction
  • Text databases

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Computer Science Applications
  • Hardware and Architecture
  • Information Systems
  • Software


Dive into the research topics of 'Scalable Online Index Construction with Multi-core cpus'. Together they form a unique fingerprint.

Cite this