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Related papers: Fine-Grained Chemical Entity Typing with Multimoda…

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The task of ultra-fine entity typing (UFET) seeks to predict diverse and free-form words or phrases that describe the appropriate types of entities mentioned in sentences. A key challenge for this task lies in the large amount of types and…

Computation and Language · Computer Science 2022-02-15 Bangzheng Li , Wenpeng Yin , Muhao Chen

Knowledge graphs have emerged as an important model for studying complex multi-relational data. This has given rise to the construction of numerous large scale but incomplete knowledge graphs encoding information extracted from various…

Machine Learning · Computer Science 2018-07-24 Rakshit Trivedi , Bunyamin Sisman , Jun Ma , Christos Faloutsos , Hongyuan Zha , Xin Luna Dong

Fine-grained few-shot entity extraction in the chemical domain faces two unique challenges. First, compared with entity extraction tasks in the general domain, sentences from chemical papers usually contain more entities. Moreover, entity…

Computation and Language · Computer Science 2024-05-31 Qingyun Wang , Zixuan Zhang , Hongxiang Li , Xuan Liu , Jiawei Han , Huimin Zhao , Heng Ji

Named Entity Recognition (NER) is an essential precursor task for many natural language applications, such as relation extraction or event extraction. Much of the NER research has been done on datasets with few classes of entity types (e.g.…

Computation and Language · Computer Science 2020-09-17 Parul Awasthy , Taesun Moon , Jian Ni , Radu Florian

Multimodal entity linking (MEL) aims to utilize multimodal information (usually textual and visual information) to link ambiguous mentions to unambiguous entities in knowledge base. Current methods facing main issues: (1)treating the entire…

Artificial Intelligence · Computer Science 2024-04-11 Shezheng Song , Shasha Li , Shan Zhao , Xiaopeng Li , Chengyu Wang , Jie Yu , Jun Ma , Tianwei Yan , Bin Ji , Xiaoguang Mao

We introduce the task of entity-centric query refinement. Given an input query whose answer is a (potentially large) collection of entities, the task output is a small set of query refinements meant to assist the user in efficient domain…

Computation and Language · Computer Science 2022-09-19 David Wadden , Nikita Gupta , Kenton Lee , Kristina Toutanova

We investigate the knowledge graph entity typing task which aims at inferring plausible entity types. In this paper, we propose a novel Transformer-based Entity Typing (TET) approach, effectively encoding the content of neighbors of an…

Artificial Intelligence · Computer Science 2022-10-21 Zhiwei Hu , Víctor Gutiérrez-Basulto , Zhiliang Xiang , Ru Li , Jeff Z. Pan

Multimodal Entity Linking (MEL) aims to associate textual and visual mentions with entities in a multimodal knowledge graph. Despite its importance, current methods face challenges such as incomplete contextual information, coarse…

Computation and Language · Computer Science 2025-08-25 Fang Wang , Tianwei Yan , Zonghao Yang , Minghao Hu , Jun Zhang , Zhunchen Luo , Xiaoying Bai

We develop Process Execution Graphs (PEG), a document-level representation of real-world wet lab biochemistry protocols, addressing challenges such as cross-sentence relations, long-range coreference, grounding, and implicit arguments. We…

Computation and Language · Computer Science 2021-04-15 Ronen Tamari , Fan Bai , Alan Ritter , Gabriel Stanovsky

Knowledge graph entity typing (KGET) aims at inferring plausible types of entities in knowledge graphs. Existing approaches to KGET focus on how to better encode the knowledge provided by the neighbors and types of an entity into its…

Computation and Language · Computer Science 2023-10-19 Zhiwei Hu , Víctor Gutiérrez-Basulto , Zhiliang Xiang , Ru Li , Jeff Z. Pan

Chemical pretrained models, sometimes referred to as foundation models, are receiving considerable interest for drug discovery applications. The general chemical knowledge extracted from self-supervised training has the potential to improve…

Machine Learning · Computer Science 2025-10-15 Matthew Adrian , Yunsie Chung , Kevin Boyd , Saee Paliwal , Srimukh Prasad Veccham , Alan C. Cheng

Named Entity Recognition (NER) frequently suffers from the problem of insufficient labeled data, particularly in fine-grained NER scenarios. Although $K$-shot learning techniques can be applied, their performance tends to saturate when the…

Computation and Language · Computer Science 2023-11-14 Su Ah Lee , Seokjin Oh , Woohwan Jung

Named entity recognition (NER) identifies typed entity mentions in raw text. While the task is well-established, there is no universally used tagset: often, datasets are annotated for use in downstream applications and accordingly only…

Computation and Language · Computer Science 2019-10-08 Xiao Huang , Li Dong , Elizabeth Boschee , Nanyun Peng

This paper presents a groundbreaking multimodal, multi-task, multi-teacher joint-grained knowledge distillation model for visually-rich form document understanding. The model is designed to leverage insights from both fine-grained and…

Computation and Language · Computer Science 2024-07-29 Yihao Ding , Lorenzo Vaiani , Caren Han , Jean Lee , Paolo Garza , Josiah Poon , Luca Cagliero

Since the advent of machine learning, interpretability has remained a persistent challenge, becoming increasingly urgent as generative models support high-stakes applications in drug and material discovery. Recent advances in large language…

Machine Learning · Computer Science 2025-12-10 Jaron Cohen , Alexander G. Hasson , Sara Tanovic

The discovery of new energetic materials remains a pressing challenge hindered by limited availability of high-quality data. To address this, we have developed generative molecular language models that have been pretrained on extensive…

Named Entity Recognition (NER) is a challenging and widely studied task that involves detecting and typing entities in text. So far,NER still approaches entity typing as a task of classification into universal classes (e.g. date, person, or…

Computation and Language · Computer Science 2023-02-22 Tristan Luiggi , Laure Soulier , Vincent Guigue , Siwar Jendoubi , Aurélien Baelde

Knowledge is captured in the form of entities and their relationships and stored in knowledge graphs. Knowledge graphs enhance the capabilities of applications in many different areas including Web search, recommendation, and natural…

Machine Learning · Computer Science 2021-03-31 Kalpa Gunaratna , Yu Wang , Hongxia Jin

Ontologies are formal representations of knowledge in specific domains that provide a structured framework for organizing and understanding complex information. Creating ontologies, however, is a complex and time-consuming endeavor. ChEBI…

Artificial Intelligence · Computer Science 2024-08-01 Stefan Langer , Fabian Neuhaus , Andreas Nürnberger

Entity Typing (ET) is the process of identifying the semantic types of every entity within a corpus. In contrast to Named Entity Recognition, where each token in a sentence is labelled with zero or one class label, ET involves labelling…

Computation and Language · Computer Science 2020-03-24 Michael Stewart , Wei Liu