WISTERIA: Weak Implicit Signal-based Temporal Relation Extraction with Attention

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Hauptverfasser: Do, Duy Dao, Halftermeyer, Anaïs, Dao, Thi-Bich-Hanh
Format: Preprint
Veröffentlicht: 2026
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author Do, Duy Dao
Halftermeyer, Anaïs
Dao, Thi-Bich-Hanh
author_facet Do, Duy Dao
Halftermeyer, Anaïs
Dao, Thi-Bich-Hanh
contents Temporal Relation Extraction (TRE) requires identifying how two events or temporal expressions are related in time. Existing attention-based models often highlight globally salient tokens but overlook the pair-specific cues that actually determine the temporal relation. We propose WISTERIA (Weak Implicit Signal-based Temporal Relation Extraction with Attention), a framework that examines whether the top-K attention components conditioned on each event pair truly encode interpretable evidence for temporal classification. Unlike prior works assuming explicit markers such as before, after, or when, WISTERIA considers signals as any lexical, syntactic, or morphological element implicitly expressing temporal order. By combining multi-head attention with pair-conditioned top-K pooling, the model isolates the most informative contextual tokens for each pair. We conduct extensive experiments on TimeBank-Dense, MATRES, TDDMan, and TDDAuto, including linguistic analyses of top-K tokens. Results show that WISTERIA achieves competitive accuracy and reveals pair-level rationales aligned with temporal linguistic cues, offering a localized and interpretable view of temporal reasoning.
format Preprint
id arxiv_https___arxiv_org_abs_2603_23319
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle WISTERIA: Weak Implicit Signal-based Temporal Relation Extraction with Attention
Do, Duy Dao
Halftermeyer, Anaïs
Dao, Thi-Bich-Hanh
Computation and Language
Artificial Intelligence
Temporal Relation Extraction (TRE) requires identifying how two events or temporal expressions are related in time. Existing attention-based models often highlight globally salient tokens but overlook the pair-specific cues that actually determine the temporal relation. We propose WISTERIA (Weak Implicit Signal-based Temporal Relation Extraction with Attention), a framework that examines whether the top-K attention components conditioned on each event pair truly encode interpretable evidence for temporal classification. Unlike prior works assuming explicit markers such as before, after, or when, WISTERIA considers signals as any lexical, syntactic, or morphological element implicitly expressing temporal order. By combining multi-head attention with pair-conditioned top-K pooling, the model isolates the most informative contextual tokens for each pair. We conduct extensive experiments on TimeBank-Dense, MATRES, TDDMan, and TDDAuto, including linguistic analyses of top-K tokens. Results show that WISTERIA achieves competitive accuracy and reveals pair-level rationales aligned with temporal linguistic cues, offering a localized and interpretable view of temporal reasoning.
title WISTERIA: Weak Implicit Signal-based Temporal Relation Extraction with Attention
topic Computation and Language
Artificial Intelligence
url https://arxiv.org/abs/2603.23319