Detailed Information on Publication Record
2023
Syntactic vs Semantic Linear Abstraction and Refinement of Neural Networks
CHAU, Calvin, Jan KŘETÍNSKÝ and Stefanie MOHRBasic information
Original name
Syntactic vs Semantic Linear Abstraction and Refinement of Neural Networks
Authors
CHAU, Calvin, Jan KŘETÍNSKÝ (203 Czech Republic, belonging to the institution) and Stefanie MOHR
Edition
Singapore, Automated Technology for Verification and Analysis. ATVA 2023, p. 401-421, 21 pp. 2023
Publisher
Springer
Other information
Language
English
Type of outcome
Stať ve sborníku
Field of Study
10201 Computer sciences, information science, bioinformatics
Country of publisher
Germany
Confidentiality degree
není předmětem státního či obchodního tajemství
Publication form
electronic version available online
Impact factor
Impact factor: 0.402 in 2005
RIV identification code
RIV/00216224:14330/23:00133938
Organization unit
Faculty of Informatics
ISBN
978-3-031-45328-1
ISSN
Keywords in English
Abstraction; Machine learning; Neural network
Tags
International impact, Reviewed
Změněno: 8/4/2024 10:14, RNDr. Pavel Šmerk, Ph.D.
Abstract
V originále
Abstraction is a key verification technique to improve scalability. However, its use for neural networks is so far extremely limited. Previous approaches for abstracting classification networks replace several neurons with one of them that is similar enough. We can classify the similarity as defined either syntactically (using quantities on the connections between neurons) or semantically (on the activation values of neurons for various inputs). Unfortunately, the previous approaches only achieve moderate reductions, when implemented at all. In this work, we provide a more flexible framework, where a neuron can be replaced with a linear combination of other neurons, improving the reduction. We apply this approach both on syntactic and semantic abstractions, and implement and evaluate them experimentally. Further, we introduce a refinement method for our abstractions, allowing for finding a better balance between reduction and precision.