Is exploratory search different? A comparison of information search behavior for exploratory and lookup tasks
Open accessAbstract
Exploratory search is an increasingly important activity yet challenging for users. Although there exists an ample amount of research into understanding exploration, most of the major information retrieval (IR) systems do not provide tailored and adaptive support for such tasks. One reason is the lack of empirical knowledge on how to distinguish exploratory and lookup search behaviors in IR systems. The goal of this article is to investigate how to separate the 2 types of tasks in an IR system using easily measurable behaviors. In this article, we first review characteristics of exploratory search behavior. We then report on a controlled study of 6 search tasks with 3 exploratory—comparison, knowledge acquisition, planning—and 3 lookup tasks—fact‐finding, navigational, question answering. The results are encouraging, showing that IR systems can distinguish the 2 search categories in the course of a search session. The most distinctive indicators that characterize exploratory search behaviors are query length, maximum scroll depth, and task completion time. However, 2 tasks are borderline and exhibit mixed characteristics. We assess the applicability of this finding by reporting on several classification experiments. Our results have valuable implications for designing tailored and adaptive IR systems.
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The requirements for evidence synthesis are not always obvious to reviewers as they are used to navigational or exploratory searching that comes intuitively.
“The requirements for evidence synthesis are not always obvious to reviewers as they are used to navigational or exploratory searching that comes intuitively.78, 85, 86, 87”
Google Scholar emerged as the number one go‐to academic search engine for most academic users due to its great ease of use and performance in informational and exploratory searches.
“In fact, it was due to its great ease of use and performance in informational and exploratory searches78 that Google Scholar emerged as the number one go‐to academic search engine for most academic users.79, 80, 81, 82”
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- Authors
- Athukorala, K., Głowacka, D., Jacucci, G., Oulasvirta, A., & Vreeken, J.
- Affiliations
- University of Helsinki (FI)
- Aalto University (FI)
- Max Planck Institute for Informatics (DE)
- Corresponding author
- Athukorala, Kumaripaba
- Głowacka, Dorota
- Jacucci, Giulio
- Oulasvirta, Antti
- Vreeken, Jilles
- Venue
- Journal of the Association for Information Science and Technology
- Publisher
- Wiley
- Published
- 2015-10-22
- Volume
- 67
- Issue
- 11
- Pages
- 2635-2651
- ISSN
- 2330-1635 (ISSN-L)
- 2330-1643
- OpenAlex
- W2115787195
- Cited by
- 150
- References
- 57
- Citations by year
- 2026: 11 · 2025: 11 · 2024: 19 · 2023: 11 · 2022: 16 · 2021: 18 · 2020: 17 · 2019: 14 · 2018: 10 · 2017: 17 · 2016: 6
- FWCI
- 29.58
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of the Association for Information Science and Technology (publishedVersion, cc-by)
- Edinburgh Research Explorer (University of Edinburgh) (submittedVersion, cc-by)
- RePEc: Research Papers in Economics (submittedVersion)
- Aaltodoc (Aalto University) (submittedVersion, cc-by)
- Työväentutkimus Vuosikirja (submittedVersion)
- MPG.PuRe (Max Planck Society) (submittedVersion)
- Funders
- Cluster of Excellence “Multimodal Computing and Interaction”
- European Research Council (ERC) (637991)
- Academy of Finland
- The Finnish Funding Agency
- MindSee (611570)
- Topics
- Physical Sciences › Computer Science › Information Systems › Information Retrieval and Search Behavior
- Physical Sciences › Computer Science › Information Systems › Recommender Systems and Techniques
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Data Visualization and Analytics
- Keywords
- exploratory search, information seeking, query length, task completion time, knowledge acquisition, planning tasks, question answering
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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