Online event recognition over noisy data streams

P Mantenoglou, A Artikis, G Paliouras - International Journal of …, 2023 - Elsevier
Composite event recognition (CER) systems process streams of sensor data and infer
composite events of interest by means of pattern matching. Data uncertainty is frequent in …

Online learning probabilistic event calculus theories in answer set programming

N Katzouris, G Paliouras, A Artikis - Theory and Practice of Logic …, 2023 - cambridge.org
Complex Event Recognition (CER) systems detect event occurrences in streaming time-
stamped input using predefined event patterns. Logic-based approaches are of special …

Optimizing vessel trajectory compression for maritime situational awareness

G Fikioris, K Patroumpas, A Artikis, M Pitsikalis… - GeoInformatica, 2023 - Springer
We present an open-source system that can optimize compressed trajectory representations
for large fleets of vessels. We take into account the type of each vessel in order to choose a …

Statistical relational extension of answer set programming

J Lee, Z Yang - … Knowledge: 18th International Summer School 2022 …, 2023 - Springer
This tutorial presents a statistical relational extension of the answer set programming
language called LP MLN, which incorporates the concept of weighted rules into the stable …

Answer Set Automata: A Learnable Pattern Specification Framework for Complex Event Recognition

N Katzouris, G Paliouras - ECAI 2023, 2023 - ebooks.iospress.nl
Abstract Complex Event Recognition (CER) systems detect event occurrences in streaming
input using predefined event patterns. Techniques that learn event patterns from data are …

Neuro-Symbolic AI Approaches to Enhance Deep Neural Networks with Logical Reasoning and Knowledge Integration

Z Yang - 2023 - search.proquest.com
One of the challenges in Artificial Intelligence (AI) is to integrate fast, automatic, and intuitive
System-1 thinking with slow, deliberate, and logical System-2 thinking. While deep learning …

Learning and Revising Dynamic Temporal Theories in the Full Discrete Event Calculus

O Ray - International Conference on Inductive Logic …, 2021 - Springer
This paper presents the first automatic method for learning and revising dynamic temporal
theories in the full-fledged Discrete Event Calculus (DEC), where fluents may be temporarily …

[PDF][PDF] Reasoning over Complex Temporal Specifications and Noisy Data Streams

P Mantenoglou - 2024 - pergamos.lib.uoa.gr
Contemporary applications commonly demand the detection of 'situations of interest'in real-
time and with minimal latency. In maritime situational awareness, eg, it is crucial to identify …

Comparison of neurosymbolic programming frameworks in human activity recognition

I Evangelinos - 2024 - dione.lib.unipi.gr
Human activity recognition (HAR) is a fundamental task in artificial intelligence, with
applications in healthcare, smart homes, and surveillance. Traditional deep learning …

[PDF][PDF] Distributed Online Learning of Probabilistic Logical Theories for Complex Event Recognition

EM Neamonitis, N Katzouris - 2020 - pergamos.lib.uoa.gr
ABSTRACT Complex Event Recognition (CER) systems detect occurrences of complex
events (eg meeting, moving, dangerous driving) in a streaming time-stamped input of simple …