@inproceedings{ma-etal-2022-semantic,
title = "Semantic Novelty Detection and Characterization in Factual Text Involving Named Entities",
author = "Ma, Nianzu and
Mazumder, Sahisnu and
Politowicz, Alexander and
Liu, Bing and
Robertson, Eric and
Grigsby, Scott",
editor = "Goldberg, Yoav and
Kozareva, Zornitsa and
Zhang, Yue",
booktitle = "Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing",
month = dec,
year = "2022",
address = "Abu Dhabi, United Arab Emirates",
publisher = "Association for Computational Linguistics",
url = "https://aclanthology.org/2022.emnlp-main.627",
doi = "10.18653/v1/2022.emnlp-main.627",
pages = "9225--9252",
abstract = "Much of the existing work on text novelty detection has been studied at the topic level, i.e., identifying whether the topic of a document or a sentence is novel or not. Little work has been done at the fine-grained semantic level (or contextual level). For example, given that we know Elon Musk is the CEO of a technology company, the sentence {``}Elon Musk acted in the sitcom The Big Bang Theory{''} is novel and surprising because normally a CEO would not be an actor. Existing topic-based novelty detection methods work poorly on this problem because they do not perform semantic reasoning involving relations between named entities in the text and their background knowledge. This paper proposes an effective model (called PAT-SND) to solve the problem, which can also characterize the novelty. An annotated dataset is also created. Evaluation shows that PAT-SND outperforms 10 baselines by large margins.",
}
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<abstract>Much of the existing work on text novelty detection has been studied at the topic level, i.e., identifying whether the topic of a document or a sentence is novel or not. Little work has been done at the fine-grained semantic level (or contextual level). For example, given that we know Elon Musk is the CEO of a technology company, the sentence “Elon Musk acted in the sitcom The Big Bang Theory” is novel and surprising because normally a CEO would not be an actor. Existing topic-based novelty detection methods work poorly on this problem because they do not perform semantic reasoning involving relations between named entities in the text and their background knowledge. This paper proposes an effective model (called PAT-SND) to solve the problem, which can also characterize the novelty. An annotated dataset is also created. Evaluation shows that PAT-SND outperforms 10 baselines by large margins.</abstract>
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%0 Conference Proceedings
%T Semantic Novelty Detection and Characterization in Factual Text Involving Named Entities
%A Ma, Nianzu
%A Mazumder, Sahisnu
%A Politowicz, Alexander
%A Liu, Bing
%A Robertson, Eric
%A Grigsby, Scott
%Y Goldberg, Yoav
%Y Kozareva, Zornitsa
%Y Zhang, Yue
%S Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing
%D 2022
%8 December
%I Association for Computational Linguistics
%C Abu Dhabi, United Arab Emirates
%F ma-etal-2022-semantic
%X Much of the existing work on text novelty detection has been studied at the topic level, i.e., identifying whether the topic of a document or a sentence is novel or not. Little work has been done at the fine-grained semantic level (or contextual level). For example, given that we know Elon Musk is the CEO of a technology company, the sentence “Elon Musk acted in the sitcom The Big Bang Theory” is novel and surprising because normally a CEO would not be an actor. Existing topic-based novelty detection methods work poorly on this problem because they do not perform semantic reasoning involving relations between named entities in the text and their background knowledge. This paper proposes an effective model (called PAT-SND) to solve the problem, which can also characterize the novelty. An annotated dataset is also created. Evaluation shows that PAT-SND outperforms 10 baselines by large margins.
%R 10.18653/v1/2022.emnlp-main.627
%U https://aclanthology.org/2022.emnlp-main.627
%U https://doi.org/10.18653/v1/2022.emnlp-main.627
%P 9225-9252
Markdown (Informal)
[Semantic Novelty Detection and Characterization in Factual Text Involving Named Entities](https://aclanthology.org/2022.emnlp-main.627) (Ma et al., EMNLP 2022)
ACL