Alexander Kotov

Optimization Method for Weighting Explicit and Latent Concepts in Clinical Decision Support Queries

2016

Accurately answering verbose queries that describe a clinical case and aim at finding articles in a collection of medical literature requires capturing many explicit and latent aspects of complex information needs underlying such queries. Proper …

A Comparative Study of Query-biased and Non-redundant Snippets for Structured Search on Mobile Devices

2016

To investigate what kind of snippets are better suited for structured search on mobile devices, we built an experimental mobile search application and conducted a task-oriented interactive user study with 36 participants. Four different versions …

Scheduling big data workflows in the cloud under budget constraints

2016

Big data is fast becoming a ubiquitous term in both academia and industry and there is a strong need for new data-centric workflow tools and techniques to process and analyze large-scale complex datasets that are …