Getting Lucky in Ontology Search: A Data-Driven Evaluation Framework for Ontology Ranking View Full Text


Ontology type: schema:Chapter      Open Access: True


Chapter Info

DATE

2013

AUTHORS

Natalya F. Noy , Paul R. Alexander , Rave Harpaz , Patricia L. Whetzel , Raymond W. Fergerson , Mark A. Musen

ABSTRACT

With hundreds, if not thousands, of ontologies available today in many different domains, ontology search and ranking has become an important and timely problem. When a user searches a collection of ontologies for her terms of interest, there are often dozens of ontologies that contain these terms. How does she know which ontology is the most relevant to her search? Our research group hosts BioPortal, a public repository of more than 330 ontologies in the biomedical domain. When a term that a user searches for is available in multiple ontologies, how do we rank the results and how do we measure how well our ranking works? In this paper, we develop an evaluation framework that enables developers to compare and analyze the performance of different ontology-ranking methods. Our framework is based on processing search logs and determining how often users select the top link that the search engine offers. We evaluate our framework by analyzing the data on BioPortal searches. We explore several different ranking algorithms and measure the effectiveness of each ranking by measuring how often users click on the highest ranked ontology. We collected log data from more than 4,800 BioPortal searches. Our results show that regardless of the ranking, in more than half the searches, users select the first link. Thus, it is even more critical to ensure that the ranking is appropriate if we want to have satisfied users. Our further analysis demonstrates that ranking ontologies based on page view data significantly improves the user experience, with an approximately 26% increase in the number of users who select the highest ranked ontology for the search. More... »

PAGES

444-459

References to SciGraph publications

  • 2006. Ranking Ontologies with AKTiveRank in THE SEMANTIC WEB - ISWC 2006
  • 1994. Query Expansion using Lexical-Semantic Relations in SIGIR ’94
  • 2010-06. Building a biomedical ontology recommender web service in JOURNAL OF BIOMEDICAL SEMANTICS
  • 2009. Cupboard – A Place to Expose Your Ontologies to Applications and the Community in THE SEMANTIC WEB: RESEARCH AND APPLICATIONS
  • 2006. Ontology Selection for the Real Semantic Web: How to Cover the Queen’s Birthday Dinner? in MANAGING KNOWLEDGE IN A WORLD OF NETWORKS
  • Book

    TITLE

    Advanced Information Systems Engineering

    ISBN

    978-3-642-38708-1
    978-3-642-38709-8

    Author Affiliations

    Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/978-3-642-41335-3_28

    DOI

    http://dx.doi.org/10.1007/978-3-642-41335-3_28

    DIMENSIONS

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