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The ability to accurately estimate job runtime properties allows a scheduler to effectively schedule jobs. State-of-the-art online cluster job schedulers use history-based learning, which uses past job execution information to estimate the…

分布式、并行与集群计算 · 计算机科学 2021-11-17 Akshay Jajoo , Y. Charlie Hu , Xiaojun Lin , Nan Deng

Scarcity of labeled data is one of the most frequent problems faced in machine learning. This is particularly true in relation extraction in text mining, where large corpora of texts exists in many application domains, while labeling of…

机器学习 · 计算机科学 2018-07-13 Linara Adilova , Sven Giesselbach , Stefan Rüping

The task of event extraction has long been investigated in a supervised learning paradigm, which is bound by the number and the quality of the training instances. Existing training data must be manually generated through a combination of…

计算与语言 · 计算机科学 2017-12-12 Ying Zeng , Yansong Feng , Rong Ma , Zheng Wang , Rui Yan , Chongde Shi , Dongyan Zhao

Relation extraction (RE) aims to identify the semantic relations between named entities in text. Recent years have witnessed it raised to the document level, which requires complex reasoning with entities and mentions throughout an entire…

计算与语言 · 计算机科学 2020-09-23 Difeng Wang , Wei Hu , Ermei Cao , Weijian Sun

Named Entity Recognition and Relation Extraction are two crucial and challenging subtasks in the field of Information Extraction. Despite the successes achieved by the traditional approaches, fundamental research questions remain open.…

计算与语言 · 计算机科学 2024-05-15 Yao Wang , Xin Liu , Weikun Kong , Hai-Tao Yu , Teeradaj Racharak , Kyoung-Sook Kim , Minh Le Nguyen

Multi-task learning (MTL) is an effective method for learning related tasks, but designing MTL models necessitates deciding which and how many parameters should be task-specific, as opposed to shared between tasks. We investigate this issue…

计算与语言 · 计算机科学 2020-02-18 Phil Crone

Data availability is a bottleneck during early stages of development of new capabilities for intelligent artificial agents. We investigate the use of text generation techniques to augment the training data of a popular commercial artificial…

计算与语言 · 计算机科学 2019-10-09 Nikolaos Malandrakis , Minmin Shen , Anuj Goyal , Shuyang Gao , Abhishek Sethi , Angeliki Metallinou

The surging amount of biomedical literature & digital clinical records presents a growing need for text mining techniques that can not only identify but also semantically relate entities in unstructured data. In this paper we propose a text…

计算与语言 · 计算机科学 2021-12-28 Hasham Ul Haq , Veysel Kocaman , David Talby

Previous works of negation understanding mainly focus on negation cue detection and scope resolution, without identifying negation subject which is also significant to the downstream tasks. In this paper, we propose a new negation triplet…

计算与语言 · 计算机科学 2024-04-16 Yuchen Shi , Deqing Yang , Jingping Liu , Yanghua Xiao , Zongyu Wang , Huimin Xu

The NP-hard problem of task scheduling with communication delays (P|prec,c_{ij}|C_{\mathrm{max}}) is often tackled using approximate methods, but guarantees on the quality of these heuristic solutions are hard to come by. Optimal schedules…

分布式、并行与集群计算 · 计算机科学 2019-01-23 Michael Orr , Oliver Sinnen

Understanding the meaning of text often involves reasoning about entities and their relationships. This requires identifying textual mentions of entities, linking them to a canonical concept, and discerning their relationships. These tasks…

计算与语言 · 计算机科学 2019-12-04 Trapit Bansal , Pat Verga , Neha Choudhary , Andrew McCallum

We present a system for rapidly customizing event extraction capability to find new event types and their arguments. The system allows a user to find, expand and filter event triggers for a new event type by exploring an unannotated corpus.…

计算与语言 · 计算机科学 2018-09-24 Yee Seng Chan , Joshua Fasching , Haoling Qiu , Bonan Min

We examine the capabilities of a unified, multi-task framework for three information extraction tasks: named entity recognition, relation extraction, and event extraction. Our framework (called DyGIE++) accomplishes all tasks by…

计算与语言 · 计算机科学 2019-09-11 David Wadden , Ulme Wennberg , Yi Luan , Hannaneh Hajishirzi

Entity aspect recommendation is an emerging task in semantic search that helps users discover serendipitous and prominent information with respect to an entity, of which salience (e.g., popularity) is the most important factor in previous…

信息检索 · 计算机科学 2024-04-10 Tu Nguyen , Nattiya Kanhabua , Wolfgang Nejdl

Recent neural models for relation extraction with distant supervision alleviate the impact of irrelevant sentences in a bag by learning importance weights for the sentences. Efforts thus far have focused on improving extraction accuracy but…

信息检索 · 计算机科学 2020-06-01 Hamed Shahbazi , Xiaoli Z. Fern , Reza Ghaeini , Prasad Tadepalli

We hypothesize that explicit integration of contextual information into an Multi-task Learning framework would emphasize the significance of context for boosting performance in jointly learning Named Entity Recognition (NER) and Relation…

计算与语言 · 计算机科学 2021-02-23 Paul Barry , Sam Henry , Meliha Yetisgen , Bridget McInnes , Ozlem Uzuner

Event extraction is a fundamental task in natural language processing that involves identifying and extracting information about events mentioned in text. However, it is a challenging task due to the lack of annotated data, which is…

计算与语言 · 计算机科学 2023-03-10 Jun Gao , Huan Zhao , Changlong Yu , Ruifeng Xu

Human annotation of natural language facilitates standardized evaluation of natural language processing systems and supports automated feature extraction. This document consists of instructions for annotating the temporal information in…

cmp-lg · 计算机科学 2016-08-31 Tom O'Hara , Janyce Wiebe , Karen Payne

The extraction and understanding of temporal events and their relations are major challenges in natural language processing. Processing text on a sentence-by-sentence or expression-by-expression basis often fails, in part due to the…

计算与语言 · 计算机科学 2020-01-06 Catherine Kerr , Terri Hoare , Paula Carroll , Jakub Marecek

This paper is devoted to the extraction of entities and semantic relations between them from scientific texts, where we consider scientific terms as entities. In this paper, we present a dataset that includes annotations for two tasks and…

计算与语言 · 计算机科学 2022-09-30 Elena Bruches , Olga Tikhobaeva , Yana Dementyeva , Tatiana Batura