A re-unification of two competing models for document retrieval

Research output: Contribution to journalArticlepeer-review

Abstract

Two competing approaches for document retrieval were first identified by Robertson, Maron, & Cooper (1982) for probabilistic retrieval. The difficulty of unifying those approaches was introduced as a problem of resolving query-focused with document-focused retrieval, and an approach towards unification was offered. That approach rests on a re-conceptualization of the meaning of term weight estimates. In this work, we propose a new unified model. The unification problem is re-framed as resulting from a lack of theory regarding the relationship of two sorts of data, absolute and relative. This new unified model is valid even for traditional interpretations of term estimates.

Original languageEnglish
Pages (from-to)49-64
Number of pages16
JournalJournal of the American Society for Information Science
Volume50
Issue number1
DOIs
StatePublished - 1999
Externally publishedYes

ASJC Scopus subject areas

  • General Engineering

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