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Gorka Labaka

4 accepted papers

2022

Principled Paraphrase Generation with Parallel Corpora

ACL 2022long

Round-trip Machine Translation (MT) is a popular choice for paraphrase generation, which leverages readily available parallel corpora for supervision. In this paper, we formalize the implicit similarity function induced by this approach, and show that it is susceptible to non-paraphrase pairs sharin…

2021

Beyond Offline Mapping: Learning Cross-lingual Word Embeddings through Context Anchoring

ACL 2021long

Recent research on cross-lingual word embeddings has been dominated by unsupervised mapping approaches that align monolingual embeddings. Such methods critically rely on those embeddings having a similar structure, but it was recently shown that the separate training in different languages causes de…

Cited by 15SourcePDFScholar
2021

Label Verbalization and Entailment for Effective Zero and Few-Shot Relation Extraction

EMNLP 2021main

Relation extraction systems require large amounts of labeled examples which are costly to annotate. In this work we reformulate relation extraction as an entailment task, with simple, hand-made, verbalizations of relations produced in less than 15 min per relation. The system relies on a pretrained…