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Minyoung Ra

dblp:43/4999 · DBLP profile ↗
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2ranked-venue papers
1as first author
0since 2021 · last 1993
—ORCID · none

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

Databases, data management, data science and information retrieval · 2 · 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
Database system architecture and tuning · 100%

Topics — the 2 heaviest of 2, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Database system architecture and tuning › database design › physical database design
vertical partitioning
0.011989
Vertical Partitioning for Database Design: A Graphical Algorithm · SIGMOD Conference 1989
Database system architecture and tuning
database design
0.011989
Vertical Partitioning for Database Design: A Graphical Algorithm · SIGMOD Conference 1989

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

graphical algorithm · 0.0attribute affinity matrix · 0.0
YearPublicationVenuePosition
1993 Data Fragmentation and Allocation for PC-Based Distributed Database Design
Minyoung Ra, Y.-S. Park
DASFAA1
1989 Vertical Partitioning for Database Design: A Graphical Algorithm
abstract
Vertical partitioning is the process of subdividing the attributes of a relation or a record type, creating fragments. Previous approaches have used an iterative binary partitioning method which is based on clustering algorithms and mathematical cost functions. In this paper, however, we propose a new vertical partitioning algorithm using a graphical technique. This algorithm starts from the attribute affinity matrix by considering it as a complete graph. Then, forming a linearly connected spanning tree, it generates all meaningful fragments simultaneously by considering a cycle as a fragment. We show its computational superiority. It provides a cleaner alternative without arbitrary objective functions and provides an improvement over our previous work on vertical partitioning.
Shamkant B. Navathe, Minyoung Ra
SIGMOD Conference2