The state of human-centered NLP technology for fact-checking

A Das, H Liu, V Kovatchev, M Lease - Information processing & …, 2023 - Elsevier
Misinformation threatens modern society by promoting distrust in science, changing
narratives in public health, heightening social polarization, and disrupting democratic …

Paraphrase types for generation and detection

JP Wahle, B Gipp, T Ruas - arxiv preprint arxiv:2310.14863, 2023 - arxiv.org
Current approaches in paraphrase generation and detection heavily rely on a single general
similarity score, ignoring the intricate linguistic properties of language. This paper introduces …

ProtoTEx: Explaining model decisions with prototype tensors

A Das, C Gupta, V Kovatchev, M Lease, JJ Li - arxiv preprint arxiv …, 2022 - arxiv.org
We present ProtoTEx, a novel white-box NLP classification architecture based on prototype
networks. ProtoTEx faithfully explains model decisions based on prototype tensors that …

InferES: A natural language inference corpus for Spanish featuring negation-based contrastive and adversarial examples

V Kovatchev, M Taulé - arxiv preprint arxiv:2210.03068, 2022 - arxiv.org
In this paper, we present InferES-an original corpus for Natural Language Inference (NLI) in
European Spanish. We propose, implement, and analyze a variety of corpus-creating …

The Extractive-Abstractive Spectrum: Uncovering Verifiability Trade-offs in LLM Generations

T Worledge, T Hashimoto, C Guestrin - arxiv preprint arxiv:2411.17375, 2024 - arxiv.org
Across all fields of academic study, experts cite their sources when sharing information.
While large language models (LLMs) excel at synthesizing information, they do not provide …

A qualitative evaluation framework for paraphrase identification

V Kovatchev, MA Marti, M Salamo… - Proceedings of the …, 2019 - aclanthology.org
In this paper, we present a new approach for the evaluation, error analysis, and
interpretation of supervised and unsupervised Paraphrase Identification (PI) systems. Our …

Paratag: A dataset of paraphrase tagging for fine-grained labels, nlg evaluation, and data augmentation

S Wang, R Xu, Y Liu, C Zhu, M Zeng - Proceedings of the 2022 …, 2022 - aclanthology.org
Paraphrase identification has been formulated as a binary classification task to decide
whether two sentences hold a paraphrase relationship. Existing paraphrase datasets only …

Semantic search as extractive paraphrase span detection

J Kanerva, H Kitti, LH Chang, T Vahtola… - Language Resources …, 2024 - Springer
In this paper, we approach the problem of semantic search by introducing a task of
paraphrase span detection, ie given a segment of text as a query phrase, the task is to …

From argument search to argumentative dialogue: A topic-independent approach to argument acquisition for dialogue systems

N Rach, C Schindler, I Feustel… - Proceedings of the …, 2021 - aclanthology.org
Despite the remarkable progress in the field of computational argumentation, dialogue
systems concerned with argumentative tasks often rely on structured knowledge about …

Decomposing and comparing meaning relations: Paraphrasing, textual entailment, contradiction, and specificity

V Kovatchev, D Gold, MA Marti… - Proceedings of the …, 2020 - aclanthology.org
In this paper, we present a methodology for decomposing and comparing multiple meaning
relations (paraphrasing, textual entailment, contradiction, and specificity). The methodology …