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Xuyuanyu Zhang

dblp:232/5619 · DBLP profile ↗
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1ranked-venue papers
0as first author
0since 2021 · last 2018
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1Databases, data management, data science and information retrieval · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Databases, data mining, and information retrieval
1 paper
Information retrieval · 100%
Artificial intelligence
1 paper
Question answering and dialogue systems · 100%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Natural language and speech › Question answering and dialogue systems
machine reading comprehension
0.312018
A Machine Reading Comprehension-Based Approach for Featured Snippet Extraction · ICDM 2018
Information retrieval › question answering
answer extraction
0.312018
A Machine Reading Comprehension-Based Approach for Featured Snippet Extraction · ICDM 2018
Information retrieval › document retrieval › passage retrieval
passage selection
0.312018
A Machine Reading Comprehension-Based Approach for Featured Snippet Extraction · ICDM 2018

Methods — techniques the papers use, named apart from their topics

question type classification · 0.7multi-stage attention · 0.7
YearPublicationVenuePosition
2018 A Machine Reading Comprehension-Based Approach for Featured Snippet Extraction
abstract
The extraction of featured snippet can be considered as the problem of Question Answering (QA). This paper presents a featured snippet extraction system by employing a technique of machine reading comprehension (MRC). Specifically, we first analyze the characteristics of questions with different types and their corresponding answers. Then, we classify a given question into various types, which is incorporated as key features in the subsequent model configuration. Based on that, we present a model to extract the candidate passages from recalled documents in a MRC fashion. Next, a novel MRC model with multiple stages of attention is proposed to extract answers from the selected passages. Last, in the answer re-ranking stage, we design a question type-adaptive model to produce the final answer. The experimental results on two open-domain QA Datasets clearly validate the effectiveness of our system and models in featured snippet extraction.
Xuyuanyu Zhang
ICDM2