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Ojas Ahuja

dblp:267/1758 · DBLP profile ↗
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1ranked-venue papers
1as first author
1since 2021 · last 2022
—ORCID · none

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

Artificial intelligence and machine learning · 1 · 1 first-author · 1 since 2021

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.

Artificial intelligence
1 paper
Language models and text generation · 100%
Databases, data mining, and information retrieval
1 paper
Information retrieval · 100%

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

TopicWeightPapersLastEvidence papers
Natural language and speech › Language models and text generation › text summarization › opinion summarization
aspect-based summarization
0.612022
ASPECTNEWS: Aspect-Oriented Summarization of News Documents · ACL (1) 2022
Natural language and speech › Language models and text generation
text summarization
0.612022
ASPECTNEWS: Aspect-Oriented Summarization of News Documents · ACL (1) 2022
Information retrieval › text summarization
query-focused summarization
0.212022
ASPECTNEWS: Aspect-Oriented Summarization of News Documents · ACL (1) 2022

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

synthetic training data · 1.1keyword matching · 1.1
YearPublicationVenuePosition
2022 ASPECTNEWS: Aspect-Oriented Summarization of News Documents
abstract
Generic summaries try to cover an entire document and query-based summaries try to answer document-specific questions.But real users' needs often fall in between these extremes and correspond to aspects, high-level topics discussed among similar types of documents.In this paper, we collect a dataset of realistic aspect-oriented summaries, ASPECT-NEWS, which covers different subtopics about articles in news sub-domains.We annotate data across two domains of articles, earthquakes and fraud investigations, where each article is annotated with two distinct summaries focusing on different aspects for each domain.A system producing a single generic summary cannot concisely satisfy both aspects.Our focus in evaluation is how well existing techniques can generalize to these domains without seeing in-domain training data, so we turn to techniques to construct synthetic training data that have been used in query-focused summarization work.We compare several training schemes that differ in how strongly keywords are used and how oracle summaries are extracted.Our evaluation shows that our final approach yields (a) focused summaries, better than those from a generic summarization system or from keyword matching; (b) a system sensitive to the choice of keywords.1
Ojas Ahuja, Jiacheng Xu 0001, Kevin Horecka, Greg Durrett
ACL (1)1