@inproceedings{b2b33cebb6a34184b9aeff6ba4c4464a,
title = "Classification Models for Partially Ordered Sequences",
abstract = "Many models such as Long Short Term Memory (LSTMs), Gated Recurrent Units (GRUs) and transformers have been developed to classify time series data with the assumption that events in a sequence are ordered. On the other hand, fewer models have been developed for set based inputs, where order does not matter. There are several use cases where data is given as partially-ordered sequences because of the granularity or uncertainty of time stamps. We introduce a novel transformer based model for such prediction tasks, and benchmark against extensions of existing order invariant models. We also discuss how transition probabilities between events in a sequence can be used to improve model performance. We show that the transformer-based equal-time model outperforms extensions of existing set models on three data sets.",
keywords = "Recurrent Neural Networks, Timeseries, Transformers",
author = "Stephanie Ger and Diego Klabjan and Jean Utke",
note = "Publisher Copyright: {\textcopyright} 2021, Springer Nature Switzerland AG.; 30th International Conference on Artificial Neural Networks, ICANN 2021 ; Conference date: 14-09-2021 Through 17-09-2021",
year = "2021",
doi = "10.1007/978-3-030-86362-3_24",
language = "English (US)",
isbn = "9783030863616",
series = "Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)",
publisher = "Springer Science and Business Media Deutschland GmbH",
pages = "294--305",
editor = "Igor Farka{\v s} and Paolo Masulli and Sebastian Otte and Stefan Wermter",
booktitle = "Artificial Neural Networks and Machine Learning – ICANN 2021 - 30th International Conference on Artificial Neural Networks, Proceedings",
address = "Germany",
}