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Authors: Ahmed Rashed ; Josif Grabocka and Lars Schmidt-Thieme

Affiliation: Information Systems and Machine Learning Lab, University of Hildesheim, Hildesheim and Germany

Keyword(s): Multi-relational Learning, Network Representations, Multi-Label Classification, Recommender Systems, Document Classification.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Computational Intelligence ; Data Mining ; Databases and Information Systems Integration ; Enterprise Information Systems ; Evolutionary Computing ; Knowledge Discovery and Information Retrieval ; Knowledge-Based Systems ; Machine Learning ; Sensor Networks ; Signal Processing ; Soft Computing ; Symbolic Systems

Abstract: Multi-label network classification is a well-known task that is being used in a wide variety of web-based and non-web-based domains. It can be formalized as a multi-relational learning task for predicting nodes labels based on their relations within the network. In sparse networks, this prediction task can be very challenging when only implicit feedback information is available such as in predicting user interests in social networks. Current approaches rely on learning per-node latent representations by utilizing the network structure, however, implicit feedback relations are naturally sparse and contain only positive observed feedbacks which mean that these approaches will treat all observed relations as equally important. This is not necessarily the case in real-world scenarios as implicit relations might have semantic weights which reflect the strength of those relations. If those weights can be approximated, the models can be trained to differentiate between strong and weak relat ions. In this paper, we propose a weighted personalized two-stage multi-relational matrix factorization model with Bayesian personalized ranking loss for network classification that utilizes basic transitive node similarity function for weighting implicit feedback relations. Experiments show that the proposed model significantly outperforms the state-of-art models on three different real-world web-based datasets and a biology-based dataset. (More)

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Paper citation in several formats:
Rashed, A.; Grabocka, J. and Schmidt-Thieme, L. (2019). Multi-Label Network Classification via Weighted Personalized Factorizations. In Proceedings of the 11th International Conference on Agents and Artificial Intelligence - Volume 2: ICAART; ISBN 978-989-758-350-6; ISSN 2184-433X, SciTePress, pages 357-366. DOI: 10.5220/0007681203570366

@conference{icaart19,
author={Ahmed Rashed. and Josif Grabocka. and Lars Schmidt{-}Thieme.},
title={Multi-Label Network Classification via Weighted Personalized Factorizations},
booktitle={Proceedings of the 11th International Conference on Agents and Artificial Intelligence - Volume 2: ICAART},
year={2019},
pages={357-366},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007681203570366},
isbn={978-989-758-350-6},
issn={2184-433X},
}

TY - CONF

JO - Proceedings of the 11th International Conference on Agents and Artificial Intelligence - Volume 2: ICAART
TI - Multi-Label Network Classification via Weighted Personalized Factorizations
SN - 978-989-758-350-6
IS - 2184-433X
AU - Rashed, A.
AU - Grabocka, J.
AU - Schmidt-Thieme, L.
PY - 2019
SP - 357
EP - 366
DO - 10.5220/0007681203570366
PB - SciTePress