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Rahul Ragesh

dblp:237/0365 · DBLP profile ↗
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2ranked-venue papers
1as first author
2since 2021 · last 2022
—ORCID · none

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

Artificial intelligence and machine learning · 2 · 1 first-author · 2 since 2021Databases, data management, data science and information retrieval · 2 · 1 first-author · 2 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
Graph learning · 70% Information extraction and text analysis · 30%

Topics — the 4 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Machine learning › Graph learning
graph neural network
0.512021
HeteGCN: Heterogeneous Graph Convolutional Networks for Text Classification · WSDM 2021
Machine learning › Graph learning › graph neural network › heterogeneous graph neural network
heterogeneous graph convolutional network
0.512021
HeteGCN: Heterogeneous Graph Convolutional Networks for Text Classification · WSDM 2021
Natural language and speech › Information extraction and text analysis
text classification
0.512021
HeteGCN: Heterogeneous Graph Convolutional Networks for Text Classification · WSDM 2021
Machine learning › Graph learning
network embedding
0.112021
HeteGCN: Heterogeneous Graph Convolutional Networks for Text Classification · WSDM 2021

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

graph convolutional network · 0.5feature embedding · 0.5
YearPublicationVenuePosition
2022 A Piece-Wise Polynomial Filtering Approach for Graph Neural Networks
Vijay Lingam, Manan Sharma, Chanakya Ajit Ekbote, Rahul Ragesh, Arun Iyer, Sundararajan Sellamanickam
ECML/PKDD (2)4
2021 HeteGCN: Heterogeneous Graph Convolutional Networks for Text Classification
abstract
We consider the problem of learning efficient and inductive graph convolutional networks for text classification with a large number of examples and features. Existing state-of-the-art graph embedding based methods such as predictive text embedding (PTE) and TextGCN have shortcomings in terms of predictive performance, scalability and inductive capability. To address these limitations, we propose a heterogeneous graph convolutional network (HeteGCN) modeling approach that unites the best aspects of PTE and TextGCN together. The main idea is to learn feature embeddings and derive document embeddings using a HeteGCN architecture with different graphs used across layers. We simplify TextGCN by dissecting into several HeteGCN models which (a) helps to study the usefulness of individual models and (b) offers flexibility in fusing learned embeddings from different models. In effect, the number of model parameters is reduced significantly, enabling faster training and improving performance in small labeled training set scenario. Our detailed experimental studies demonstrate the efficacy of the proposed approach.
Rahul Ragesh, Sundararajan Sellamanickam, Arun Iyer, Ramakrishna Bairi, Vijay Lingam
WSDM1