A task completion engine to enhance search session support for air traffic work tasks

Yashar Moshfeghi, Raoul Rothfeld, Leif Azzopardi, Peter Triantafillou

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

1 Citation (Scopus)
60 Downloads (Pure)


Providing support for users during their search sessions has been hailed as a major challenge in interactive information retrieval (IIR). Providing such support requires considering the context of the search and facilitating the work task at hand. In this paper, we consider the work tasks associated with air traffic analysts, who perform numerous searches using a multifaceted search interface in order to acquire business intelligence regarding particular events and situations. In particular, we develop a novel task completion engine and seamlessly incorporated it within a current air traffic search system to facilitate the comparison of information objects found. In a study with 24 participants, we found that they completed the complex work task faster using the comparison feature, but for simple work tasks, participants were slower. However, participants reported (statistically) significantly higher satisfaction and had (statistically) significantly higher accuracy using the search system equipped with task completion engine. These findings help to steer systems to provide a better support to users in their search process.
Original languageEnglish
Title of host publicationEuropean Conference on Information Retrieval
Subtitle of host publication39th European Conference on IR Research, ECIR 2017, Aberdeen, UK, April 8-13, 2017, Proceedings
EditorsJoemon M. Jose, Claudia Hauff, Ismail Sengor Altıngovde, Dawei Song, Dyaa Albakour, Stuart Watt, John Tait
Place of PublicationCham, Switzerland
PublisherSpringer International Publishing AG
Number of pages13
ISBN (Print)9783319566078
Publication statusPublished - 8 Apr 2017
Event39th European Conference on Information Retrieval - Aberdeen Exhibitiion and Conference Centre, Aberdeen, United Kingdom
Duration: 9 Apr 201713 Apr 2017

Publication series

NameLecture Notes in Computer Science
PublisherSpringer International Publishing AG
ISSN (Print)0302-9743


Conference39th European Conference on Information Retrieval
Abbreviated titleECIR 2017
Country/TerritoryUnited Kingdom
Internet address


  • user support
  • information retrieval
  • air traffic analysts
  • multifaceted search interface
  • user satisfaction
  • accuracy


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