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Hits 1 – 20 of 45
1
Topic Discovery via Latent Space Clustering of Pretrained Language Model Representations ...
Meng, Yu
;
Zhang, Yunyi
;
Huang, Jiaxin
. - : arXiv, 2022
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2
Semantic pattern discovery in open information extraction
Chauhan, Aabhas
. - 2022
Abstract:
Open information extraction (OpenIE) is a novel paradigm that produces structured information from unstructured text with minimum or no supervision. The task involves extracting relevant relation tuples or expressions from a text corpus. Existing methods in the domain tend to produce a large percentage of ill-structured, incomplete or redundant extractions which cannot be directly used in downstream applications, and often fail on sentences with long and complex structures. In this paper, we propose a novel semantic pattern-discovery for OpenIE (SemPatIE) framework which extracts relations in the form of typed textual pattern structures, called meta patterns and groups semantically similar pattern structures. To perform these tasks, the framework uses three techniques: (1) it simplifies complex sentence structures by performing a context-aware sentence segmentation method which splits the dependency graph of sentences at noun or verb level and enables pattern extraction between distantly placed entities; (2) it extracts meta patterns and handles its pattern sparsity problem by introducing a novel idea of iterative frequent pattern mining and nested push-ups; (3) it generates semantic pattern clusters by embedding a multi text-based network between entities, entity types, extracted meta patterns and context words. Experiments show SemPatIE outperforms state-of-the-art OpenIE baselines in handling structurally complex sentences and has a significantly higher recall than existing pattern-based methods. Case studies exhibit the framework's high generalization ability and scalabilty, and effective clustering performance which has direct applications in downstream tasks like knowledge graph construction, evidence mining and truth finding. ; U of I Only ; Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD system
Keyword:
Information Extraction
;
Pattern Mining
URL:
http://hdl.handle.net/2142/108194
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3
Text mining at multiple granularity: leveraging subwords, words, phrases, and sentences
El-Kishky, Ahmed Hassan
. - 2022
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4
Distantly-Supervised Named Entity Recognition with Noise-Robust Learning and Language Model Augmented Self-Training ...
The 2021 Conference on Empirical Methods in Natural Language Processing 2021
;
Han, Jiawei
;
Huang, Jiaxin
. - : Underline Science Inc., 2021
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5
ChemNER: Fine-Grained Chemistry Named Entity Recognition with Ontology-Guided Distant Supervision ...
The 2021 Conference on Empirical Methods in Natural Language Processing 2021
;
Garg, Shweta
;
Han, Jiawei
. - : Underline Science Inc., 2021
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6
Generation-Augmented Retrieval for Open-Domain Question Answering ...
The Joint Conference of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing 2021
;
Chen, Weizhu
;
Gao, Jianfeng
. - : Underline Science Inc., 2021
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7
Few-Shot Named Entity Recognition: An Empirical Baseline Study ...
The 2021 Conference on Empirical Methods in Natural Language Processing 2021
;
Balakrishnan, Shobana
;
Chen, Weizhu
. - : Underline Science Inc., 2021
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8
Reader-Guided Passage Reranking for Open-Domain Question Answering ...
The Joint Conference of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing 2021
;
Chen, Weizhu
;
Gao, Jianfeng
. - : Underline Science Inc., 2021
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9
The Future is not One-dimensional: Complex Event Schema Induction by Graph Modeling for Event Prediction ...
The 2021 Conference on Empirical Methods in Natural Language Processing 2021
;
Cho, Kyunghyun
;
Han, Jiawei
. - : Underline Science Inc., 2021
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10
Extract, Denoise and Enforce: Evaluating and Improving Concept Preservation for Text-to-Text Generation ...
Mao, Yuning
;
Ma, Wenchang
;
Lei, Deren
. - : arXiv, 2021
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11
Extract, Denoise and Enforce: Evaluating and Improving Concept Preservation for Text-to-Text Generation ...
The 2021 Conference on Empirical Methods in Natural Language Processing 2021
;
Han, Jiawei
;
Mao, Yuning
. - : Underline Science Inc., 2021
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12
Combating abuse on social media platforms using natural language processing
Seyler, Dominic
. - 2021
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13
Text Classification Using Label Names Only: A Language Model Self-Training Approach ...
Meng, Yu
;
Zhang, Yunyi
;
Huang, Jiaxin
. - : arXiv, 2020
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14
COVID-19 Literature Knowledge Graph Construction and Drug Repurposing Report Generation ...
Wang, Qingyun
;
Li, Manling
;
Wang, Xuan
. - : arXiv, 2020
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15
Constrained Abstractive Summarization: Preserving Factual Consistency with Constrained Generation ...
Mao, Yuning
;
Ren, Xiang
;
Ji, Heng
. - : arXiv, 2020
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16
Guiding Corpus-based Set Expansion by Auxiliary Sets Generation and Co-Expansion ...
Huang, Jiaxin
;
Xie, Yiqing
;
Meng, Yu
. - : arXiv, 2020
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17
Near-imperceptible Neural Linguistic Steganography via Self-Adjusting Arithmetic Coding ...
Shen, Jiaming
;
Ji, Heng
;
Han, Jiawei
. - : arXiv, 2020
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18
Cold-start universal information extraction
Huang, Lifu
. - 2020
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19
Cross-lingual entity extraction and linking for 300 languages
Pan, Xiaoman
. - 2020
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20
Text cube: construction, summarization and mining
Tao, Fangbo
. - 2020
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