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Lakshya Kumar

dblp:205/9040 · DBLP profile ↗
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2ranked-venue papers
0as first author
1since 2021 · last 2025
—ORCID · unresolved

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

Artificial intelligence and machine learning · 2 · 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.

Databases, data mining, and information retrieval
1 paper
Data mining · 77% Information retrieval · 23%
Artificial intelligence
1 paper
Representation and self-supervised learning · 67% Information extraction and text analysis · 33%

Topics — the 5 heaviest of 5, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Data mining › predictive modeling › classification › multi-label classification
extreme classification
0.912025
MOGIC: Metadata-infused Oracle Guidance for Improved Extreme Classification · ICML 2025
Natural language and speech › Information extraction and text analysis
sentiment analysis
0.312017
Sentiment Intensity Ranking among Adjectives Using Sentiment Bearing Word Embeddings · EMNLP 2017
Machine learning › Representation and self-supervised learning › word representation › word embedding
sentiment-aware word embedding
0.312017
Sentiment Intensity Ranking among Adjectives Using Sentiment Bearing Word Embeddings · EMNLP 2017
Machine learning › Representation and self-supervised learning › word representation
word embedding
0.312017
Sentiment Intensity Ranking among Adjectives Using Sentiment Bearing Word Embeddings · EMNLP 2017
Information retrieval › retrieval augmentation
retrieval-augmented classification
0.312025
MOGIC: Metadata-infused Oracle Guidance for Improved Extreme Classification · ICML 2025

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

late-stage fusion · 0.9knowledge distillation · 0.9early-stage fusion · 0.9word2vec · 0.3semi-supervised learning · 0.3glove · 0.3
YearPublicationVenuePosition
2025 MOGIC: Metadata-infused Oracle Guidance for Improved Extreme Classification
abstract
Retrieval-augmented classification and generation models benefit from *early-stage fusion* of high-quality text-based metadata, often called memory, but face high latency and noise sensitivity. In extreme classification (XC), where low latency is crucial, existing methods use *late-stage fusion* for efficiency and robustness. To enhance accuracy while maintaining low latency, we propose MOGIC, a novel approach to metadata-infused oracle guidance for XC. We train an early-fusion oracle classifier with access to both query-side and label-side ground-truth metadata in textual form and subsequently use it to guide existing memory-based XC disciple models via regularization. The MOGIC algorithm improves precision@1 and propensity-scored precision@1 of XC disciple models by 1-2% on six standard datasets, at no additional inference-time cost. We show that MOGIC can be used in a plug-and-play manner to enhance memory-free XC models such as NGAME or DEXA. Lastly, we demonstrate the robustness of the MOGIC algorithm to missing and noisy metadata. The code is publicly available at [https://github.com/suchith720/mogic](https://github.com/suchith720/mogic).
Suchith C. Prabhu, Bhavyajeet Singh, Anshul Mittal, Siddarth Asokan, Shikhar Mohan, Deepak Saini, Yashoteja Prabhu, Lakshya Kumar, Jian Jiao 0007, Amit Singh 0003, Niket Tandon, Sumeet Agarwal, Manik Varma
ICML8
2017 Sentiment Intensity Ranking among Adjectives Using Sentiment Bearing Word Embeddings
abstract
Identification of intensity ordering among polar (positive or negative) words which have the same semantics can lead to a finegrained sentiment analysis.For example, master, seasoned and familiar point to different intensity levels, though they all convey the same meaning (semantics), i.e., expertise: having a good knowledge of.In this paper, we propose a semisupervised technique that uses sentiment bearing word embeddings to produce a continuous ranking among adjectives that share common semantics.Our system demonstrates a strong Spearman's rank correlation of 0.83 with the gold standard ranking.We show that sentiment bearing word embeddings facilitate a more accurate intensity ranking system than other standard word embeddings (word2vec and GloVe).Word2vec is the state-of-the-art for intensity ordering task.
Raksha Sharma, Arpan Somani, Lakshya Kumar, Pushpak Bhattacharyya
EMNLP3