TY - JOUR

T1 - Interactive faceted query suggestion for exploratory search

T2 - Whole-session effectiveness and interaction engagement

AU - Ruotsalo, Tuukka

AU - Jacucci, Giulio

AU - Kaski, Samuel

PY - 2020

Y1 - 2020

N2 - The outcome of exploratory information retrieval is not only dependent on the effectiveness of individual responses to a set of queries, but also on relevant information retrieved during the entire exploratory search session. We study the effect of search assistance, operationalized as an interactive faceted query suggestion, for both whole-session effectiveness and engagement through interactive faceted query suggestion. A user experiment is reported, where users performed exploratory search tasks, comparing interactive faceted query suggestion and a control condition with only conventional typed-query interaction. Data comprised of interaction and search logs show that the availability of interactive faceted query suggestion substantially improves whole-session effectiveness by increasing recall without sacrificing precision. The increased engagement with interactive faceted query suggestion is targeted to direct situated navigation around the initial query scope, but is not found to improve individual queries on average. The results imply that research in exploratory search should focus on measuring and designing tools that engage users with directed situated navigation support for improving whole-session performance.

AB - The outcome of exploratory information retrieval is not only dependent on the effectiveness of individual responses to a set of queries, but also on relevant information retrieved during the entire exploratory search session. We study the effect of search assistance, operationalized as an interactive faceted query suggestion, for both whole-session effectiveness and engagement through interactive faceted query suggestion. A user experiment is reported, where users performed exploratory search tasks, comparing interactive faceted query suggestion and a control condition with only conventional typed-query interaction. Data comprised of interaction and search logs show that the availability of interactive faceted query suggestion substantially improves whole-session effectiveness by increasing recall without sacrificing precision. The increased engagement with interactive faceted query suggestion is targeted to direct situated navigation around the initial query scope, but is not found to improve individual queries on average. The results imply that research in exploratory search should focus on measuring and designing tools that engage users with directed situated navigation support for improving whole-session performance.

UR - http://www.scopus.com/inward/record.url?scp=85074021538&partnerID=8YFLogxK

U2 - 10.1002/asi.24304

DO - 10.1002/asi.24304

M3 - Journal article

AN - SCOPUS:85074021538

VL - 71

SP - 742

EP - 756

JO - American Society for Information Science and Technology. Journal

JF - American Society for Information Science and Technology. Journal

SN - 2330-1635

IS - 7

ER -