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Sayak Dey

dblp:269/4520 · DBLP profile ↗
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1ranked-venue papers
1as first author
0since 2021 · last 2020
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1 · 1 first-authorGraphics, computer vision, multimedia, augmented reality and games · 1 · 1 first-author

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Databases, data mining, and information retrieval
1 paper
Data mining · 100%

Topics — the 4 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Data mining
clustering
0.412020
The Sparse MinMax k-Means Algorithm for High-Dimensional Clustering · IJCAI 2020
Data mining › clustering
high-dimensional clustering
0.412020
The Sparse MinMax k-Means Algorithm for High-Dimensional Clustering · IJCAI 2020
Data mining › clustering
k-means clustering
0.412020
The Sparse MinMax k-Means Algorithm for High-Dimensional Clustering · IJCAI 2020
Data mining › clustering › high-dimensional clustering
sparse clustering
0.412020
The Sparse MinMax k-Means Algorithm for High-Dimensional Clustering · IJCAI 2020

Methods — techniques the papers use, named apart from their topics

weighted between-cluster sum of squares · 0.4sparse regularization · 0.4
YearPublicationVenuePosition
2020 The Sparse MinMax k-Means Algorithm for High-Dimensional Clustering
abstract
Classical clustering methods usually face tough challenges when we have a larger set of features compared to the number of items to be partitioned. We propose a Sparse MinMax k-Means Clustering approach by reformulating the objective of the MinMax k-Means algorithm (a variation of classical k-Means that minimizes the maximum intra-cluster variance instead of the sum of intra-cluster variances), into a new weighted between-cluster sum of squares (BCSS) form. We impose sparse regularization on these weights to make it suitable for high-dimensional clustering. We seek to use the advantages of the MinMax k-Means algorithm in the high-dimensional space to generate good quality clusters. The efficacy of the proposal is showcased through comparison against a few representative clustering methods over several real world datasets.
Sayak Dey, Swagatam Das, Rammohan Mallipeddi
IJCAI1