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Home / Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 32

S-Net: From Answer Extraction to Answer Synthesis for Machine Reading Comprehension

March 15, 2023

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Published Date: 2018-02-08

Registration: ISSN 2374-3468 (Online) ISSN 2159-5399 (Print)

Copyright: Published by AAAI Press, Palo Alto, California USA Copyright © 2018, Association for the Advancement of Artificial Intelligence All Rights Reserved.

Authors

Chuanqi Tan

Beihang University


Furu Wei

Microsoft Research


Nan Yang

Microsoft Research


Bowen Du

Beihang University


Weifeng Lv

Beihang University


Ming Zhou

Microsoft Research


DOI:

10.1609/aaai.v32i1.12035


Abstract:

In this paper, we present a novel approach to machine reading comprehension for the MS-MARCO dataset. Unlike the SQuAD dataset that aims to answer a question with exact text spans in a passage, the MS-MARCO dataset defines the task as answering a question from multiple passages and the words in the answer are not necessary in the passages. We therefore develop an extraction-then-synthesis framework to synthesize answers from extraction results. Specifically, the answer extraction model is first employed to predict the most important sub-spans from the passage as evidence, and the answer synthesis model takes the evidence as additional features along with the question and passage to further elaborate the final answers. We build the answer extraction model with state-of-the-art neural networks for single passage reading comprehension, and propose an additional task of passage ranking to help answer extraction in multiple passages. The answer synthesis model is based on the sequence-to-sequence neural networks with extracted evidences as features. Experiments show that our extraction-then-synthesis method outperforms state-of-the-art methods.

Topics: AAAI

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HOW TO CITE:

Chuanqi Tan||Furu Wei||Nan Yang||Bowen Du||Weifeng Lv||Ming Zhou S-Net: From Answer Extraction to Answer Synthesis for Machine Reading Comprehension Proceedings of the AAAI Conference on Artificial Intelligence, 32 (2018) .

Chuanqi Tan||Furu Wei||Nan Yang||Bowen Du||Weifeng Lv||Ming Zhou S-Net: From Answer Extraction to Answer Synthesis for Machine Reading Comprehension AAAI 2018, .

Chuanqi Tan||Furu Wei||Nan Yang||Bowen Du||Weifeng Lv||Ming Zhou (2018). S-Net: From Answer Extraction to Answer Synthesis for Machine Reading Comprehension. Proceedings of the AAAI Conference on Artificial Intelligence, 32, .

Chuanqi Tan||Furu Wei||Nan Yang||Bowen Du||Weifeng Lv||Ming Zhou. S-Net: From Answer Extraction to Answer Synthesis for Machine Reading Comprehension. Proceedings of the AAAI Conference on Artificial Intelligence, 32 2018 p..

Chuanqi Tan||Furu Wei||Nan Yang||Bowen Du||Weifeng Lv||Ming Zhou. 2018. S-Net: From Answer Extraction to Answer Synthesis for Machine Reading Comprehension. "Proceedings of the AAAI Conference on Artificial Intelligence, 32". .

Chuanqi Tan||Furu Wei||Nan Yang||Bowen Du||Weifeng Lv||Ming Zhou. (2018) "S-Net: From Answer Extraction to Answer Synthesis for Machine Reading Comprehension", Proceedings of the AAAI Conference on Artificial Intelligence, 32, p.

Chuanqi Tan||Furu Wei||Nan Yang||Bowen Du||Weifeng Lv||Ming Zhou, "S-Net: From Answer Extraction to Answer Synthesis for Machine Reading Comprehension", AAAI, p., 2018.

Chuanqi Tan||Furu Wei||Nan Yang||Bowen Du||Weifeng Lv||Ming Zhou. "S-Net: From Answer Extraction to Answer Synthesis for Machine Reading Comprehension". Proceedings of the AAAI Conference on Artificial Intelligence, 32, 2018, p..

Chuanqi Tan||Furu Wei||Nan Yang||Bowen Du||Weifeng Lv||Ming Zhou. "S-Net: From Answer Extraction to Answer Synthesis for Machine Reading Comprehension". Proceedings of the AAAI Conference on Artificial Intelligence, 32, (2018): .

Chuanqi Tan||Furu Wei||Nan Yang||Bowen Du||Weifeng Lv||Ming Zhou. S-Net: From Answer Extraction to Answer Synthesis for Machine Reading Comprehension. AAAI[Internet]. 2018[cited 2023]; .


ISSN: 2374-3468


Published by AAAI Press, Palo Alto, California USA
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Artificial Intelligence 1900 Embarcadero Road, Suite
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