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Anna Olecka

dblp:66/678 · DBLP profile ↗
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1ranked-venue papers
1as first author
0since 2021 · last 2002
—ORCID · none

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

Artificial intelligence and machine learning · 1 · 1 first-authorDatabases, data management, data science and information retrieval · 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.

Artificial intelligence
1 paper
Learning theory · 77% Optimization for machine learning · 23%
Theoretical computer science
1 paper
Mathematical optimization · 100%

Topics — the 2 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Machine learning › Learning theory › classification
classifier evaluation
0.012002
Evaluating classifiers' performance in a constrained environment · KDD 2002
Mathematical optimization
linear programming
0.012002
Evaluating classifiers' performance in a constrained environment · KDD 2002

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

linear programming · 0.1ROCCH analysis · 0.1
YearPublicationVenuePosition
2002 Evaluating classifiers' performance in a constrained environment
abstract
In this paper, we focus on methodology of finding a classifier with a minimal cost in presence of additional performance constraints. ROCCH analysis, where accuracy and cost are intertwined in the solution space, was a revolutionary tool for two-class problems. We propose an alternative formulation, as an optimization problem, commonly used in Operations Research. This approach extends the ROCCH analysis to allow for locating optimal solutions while outside constraints are present. Similarly to the ROCCH analysis, we combine cost and class distribution while defining the objective function. Rather than focusing on slopes of the edges in the convex hull of the solution space, however, we treat cost as an objective function to be minimized over the solution space, by selecting the best performing classifier(s) (one or more vertex in the solution space). The Linear Programming framework provides a theoretical and computational methodology for finding the vertex (classifier) which minimizes the objective function.
Anna Olecka
KDD1