G
Gautam Das
Researcher at University of Texas at Arlington
Publications - 258
Citations - 12297
Gautam Das is an academic researcher from University of Texas at Arlington. The author has contributed to research in topics: Tuple & Ranking. The author has an hindex of 54, co-authored 253 publications receiving 11363 citations. Previous affiliations of Gautam Das include University of Toronto & Qatar Computing Research Institute.
Papers
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Proceedings ArticleDOI
DBXplorer: a system for keyword-based search over relational databases
TL;DR: DBXplorer, a system that enables keyword-based searches in relational databases using a commercial relational database and Web server and allows users to interact via a browser front-end is discussed.
Proceedings Article
Rule discovery from time series
TL;DR: In this article, the problem of finding rules relating patterns in a time series to other patterns in that series, or patterns in one series to patterns in another series, was considered, and adaptive methods for finding rules of the above type from time-series data were described.
Journal ArticleDOI
On sparse spanners of weighted graphs
TL;DR: This paper gives a simple algorithm for constructing sparse spanners for arbitrary weighted graphs and applies this algorithm to obtain specific results for planar graphs and Euclidean graphs.
Journal ArticleDOI
Group recommendation: semantics and efficiency
TL;DR: In this article, a formal semantics that accounts for both item relevance to a group and disagreements among group members is proposed for group recommendation and evaluated on MovieLens data set with 10M ratings.
Book ChapterDOI
Finding Similar Time Series
TL;DR: This paper presents an intuitive model for measuring the similarity between two time series that takes into account outliers, different scaling functions, and variable sampling rates, and shows the naturalness of this notion of similarity.