Jaime Arguello
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View article: Information needs and perceptions of chatbots for hypertension medication self-management: a mixed methods study
Information needs and perceptions of chatbots for hypertension medication self-management: a mixed methods study Open
OBJECTIVE: Chatbots have potential to deliver interactive self-management interventions but have rarely been studied in the context of hypertension or medication adherence. The objective of this study was to better understand patient infor…
View article: Tip of the Tongue Query Elicitation for Simulated Evaluation
Tip of the Tongue Query Elicitation for Simulated Evaluation Open
Tip-of-the-tongue (TOT) search occurs when a user struggles to recall a specific identifier, such as a document title. While common, existing search systems often fail to effectively support TOT scenarios. Research on TOT retrieval is furt…
View article: Why is "Problems" Predictive of Positive Sentiment? A Case Study of Explaining Unintuitive Features in Sentiment Classification
Why is "Problems" Predictive of Positive Sentiment? A Case Study of Explaining Unintuitive Features in Sentiment Classification Open
Explainable AI (XAI) algorithms aim to help users understand how a machine\nlearning model makes predictions. To this end, many approaches explain which\ninput features are most predictive of a target label. However, such\nexplanations can…
View article: The Effects of Goal-setting on Learning Outcomes and Self-Regulated Learning Processes
The Effects of Goal-setting on Learning Outcomes and Self-Regulated Learning Processes Open
We present a user study (N = 40) that investigated the role of goal-setting on learning during search. To this end, we developed a tool called the Subgoal Manager (SM). The SM was designed to help searchers break apart a learning-oriented …
View article: How does AI chat change search behaviors?
How does AI chat change search behaviors? Open
Generative AI tools such as chatGPT are poised to change the way people engage with online information. Recently, Microsoft announced their "new Bing" search system which incorporates chat and generative AI technology from OpenAI. Google h…
View article: Why and When: Understanding System Initiative during Conversational Collaborative Search
Why and When: Understanding System Initiative during Conversational Collaborative Search Open
In the last decade, conversational search has attracted considerable attention. However, most research has focused on systems that can support a \emph{single} searcher. In this paper, we explore how systems can support \emph{multiple} sear…
View article: Understanding the "Pathway" Towards a Searcher's Learning Objective
Understanding the "Pathway" Towards a Searcher's Learning Objective Open
Search systems are often used to support learning-oriented goals. This trend has given rise to the "search-as-learning" movement, which proposes that search systems should be designed to support learning. To this end, an important research…
View article: The Influences of a Knowledge Representation Tool on Searchers with Varying Cognitive Abilities
The Influences of a Knowledge Representation Tool on Searchers with Varying Cognitive Abilities Open
While current systems are effective in helping searchers resolve simple information needs (e.g., fact-finding), they provide less support for searchers working on complex information-seeking tasks. Complex search tasks involve a wide range…
View article: The Effects of System Initiative during Conversational Collaborative Search
The Effects of System Initiative during Conversational Collaborative Search Open
Our research in this paper lies at the intersection of collaborative and conversational search. We report on a Wizard of Oz lab study in which 27 pairs of participants collaborated on search tasks over the Slack messaging platform. To comp…
View article: Document Representation and Query Expansion Models for Blog Recommendation
Document Representation and Query Expansion Models for Blog Recommendation Open
We explore several different document representation models and two query expansion models for the task of recommending blogs to a user in response to a query. Blog relevance ranking differs from traditional document ranking in ad-hocinfor…
View article: Predicting Speech Acts in MOOC Forum Posts
Predicting Speech Acts in MOOC Forum Posts Open
Students in a Massive Open Online Course (MOOC) interact with each other and the course staff through online discussion forums. While discussion forums play a central role in MOOCs, they also pose a challenge for instructors. The large num…
View article: Information needs and perceptions of chatbots for hypertension medication self-management: a mixed methods study
Information needs and perceptions of chatbots for hypertension medication self-management: a mixed methods study Open
Objective Chatbots have potential to deliver interactive self-management interventions but have rarely been studied in the context of hypertension or medication adherence. The objective of this study was to better understand patient inform…
View article: Identification of social determinants of health using multi-label classification of electronic health record clinical notes
Identification of social determinants of health using multi-label classification of electronic health record clinical notes Open
Objectives Social determinants of health (SDH), key contributors to health, are rarely systematically measured and collected in the electronic health record (EHR). We investigate how to leverage clinical notes using novel applications of m…
View article: Tip of the Tongue Known-Item Retrieval: A Case Study in Movie Identification
Tip of the Tongue Known-Item Retrieval: A Case Study in Movie Identification Open
While current information retrieval systems are effective for known-item retrieval where the searcher provides a precise name or identifier for the item being sought, systems tend to be much less effective for cases where the searcher is u…
View article: A Qualitative Analysis of the Effects of Task Complexity on the Functional Role of Information
A Qualitative Analysis of the Effects of Task Complexity on the Functional Role of Information Open
An important question in interactive information retrieval (IIR) is: How do task characteristics influence users' needs? In this paper, we investigate the effects of cognitive task complexity on the types of information considered useful f…
View article: Sources of Evidence for Interactive Table Completion
Sources of Evidence for Interactive Table Completion Open
An important question in interactive information retrieval (IIR) is: How can we support searchers with specific types of search tasks? We describe an auxiliary support tool referred to as the "Matrix''. The Matrix tool was designed to supp…
View article: Wizard of Oz Interface to Study System Initiative for Conversational Search
Wizard of Oz Interface to Study System Initiative for Conversational Search Open
We describe a Wizard of Oz (WoZ) system, a WebApp, which we use to study how a conversational search system should take the initiative when engaging with users during collaborative search. This system integrates directly into Slack, a chat…
View article: Conversational Agents for Chronic Disease Self-Management: A Systematic Review.
Conversational Agents for Chronic Disease Self-Management: A Systematic Review. Open
We conducted a systematic literature review to assess how conversational agents have been used to facilitate chronic disease self-management. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) framework was use…
View article: The Effects of Task Complexity on the Use of Different Types of Information in a Search Assistance Tool
The Effects of Task Complexity on the Use of Different Types of Information in a Search Assistance Tool Open
In interactive information retrieval, an important research question is: How do task characteristics influence users’ needs and behaviors? We report on a laboratory study ( N =32) that investigated the effects of task complexity on the typ…
View article: Using Principal Component Analysis to Better Understand Behavioral Measures and their Effects
Using Principal Component Analysis to Better Understand Behavioral Measures and their Effects Open
An important question in interactive IR research is: What do search behaviors tell us about specific task characteristics, post-task perceptions, and post-task outcomes such as knowledge gains? Much research has explored this question from…
View article: Anderson and Krathwohl's Two-Dimensional Taxonomy Applied to Task Creation and Learning Assessment
Anderson and Krathwohl's Two-Dimensional Taxonomy Applied to Task Creation and Learning Assessment Open
Search tasks play an important role in the study and development of interactive information retrieval (IIR) systems. Prior work has examined how search tasks vary along dimensions such as the task's main activity, end goal, structure, and …
View article: Using Trails to Support Users with Tasks of Varying Scope
Using Trails to Support Users with Tasks of Varying Scope Open
A search trail is an interactive visualization of how a previous searcher approached a related task. Using search trails to assist users requires understanding aspects of the task, user, and trails. In this paper, we examine two questions.…
View article: Conversational Agents for Chronic Disease Self-Management: A Systematic Review (Preprint)
Conversational Agents for Chronic Disease Self-Management: A Systematic Review (Preprint) Open
BACKGROUND Conversational agents have the potential to deliver patient-centered interventions that focus on goal setting, feedback, and education. However, little is known how these agents may be utilized to assist patients with chronic d…
View article: The Effects of Working Memory, Perceptual Speed, and Inhibition in Aggregated Search
The Effects of Working Memory, Perceptual Speed, and Inhibition in Aggregated Search Open
Prior work has studied how different characteristics of individual users (e.g., personality traits and cognitive abilities) can impact search behaviors and outcomes. We report on a laboratory study ( N = 32) that investigated the effects o…