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Anthony Colas

4 accepted papers

2024

M3: A Multi-Task Mixed-Objective Learning Framework for Open-Domain Multi-Hop Dense Sentence Retrieval

COLING 2024main

In recent research, contrastive learning has proven to be a highly effective method for representation learning and is widely used for dense retrieval. However, we identify that relying solely on contrastive learning can lead to suboptimal retrieval performance. On the other hand, despite many retri…

2022

GAP: A Graph-aware Language Model Framework for Knowledge Graph-to-Text Generation

COLING 2022main

Recent improvements in KG-to-text generation are due to additional auxiliary pre-training tasks designed to give the fine-tune task a boost in performance. These tasks require extensive computational resources while only suggesting marginal improvements. Here, we demonstrate that by fusing graph-awa…

2021

ChronoR: Rotation Based Temporal Knowledge Graph Embedding

AAAI 2021technical

Despite the importance and abundance of temporal knowledge graphs, most of the current research has been focused on reasoning on static graphs. In this paper, we study the challenging problem of inference over temporal knowledge graphs. In particular, the task of temporal link prediction. In general…

Cited by 135SourcePDFScholar
2021

EventNarrative: A Large-scale Event-centric Dataset for Knowledge Graph-to-Text Generation

NeurIPS 2021poster

We introduce EventNarrative, a knowledge graph-to-text dataset from publicly available open-world knowledge graphs. Given the recent advances in event-driven Information Extraction (IE), and that prior research on graph-to-text only focused on entity-driven KGs, this paper focuses on event-centric d…

Cited by 29SourcecodeScholar