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20192026
most citedC3: Continued Pretraining with Contrastive Weak Supervision for Cross Language Ad-Hoc Retrieval

34 citations · 36 across the 8 of their papers we have counts for

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cs.IR2026

Search Engines Never Say No: How Frozen Agents React When the Retrieval Tool Refuses

Ramraj Chandradevan, Sayontan Ghosh, Vinoth Selvendran

A search tool never says no: it returns its top-k passages even when the index holds no answer, so the agent sees irrelevant text instead of a miss signal. We ask what frozen searc…

cs.IR2024

Generative Query Reformulation Using Ensemble Prompting, Document Fusion, and Relevance Feedback

Kaustubh D. Dhole, Ramraj Chandradevan, Eugene Agichtein

Query Reformulation (QR) is a set of techniques used to transform a user's original search query to a text that better aligns with the user's intent and improves their search exper…

cs.IR2024

DUQGen: Effective Unsupervised Domain Adaptation of Neural Rankers by Diversifying Synthetic Query Generation

Ramraj Chandradevan, Kaustubh D. Dhole, Eugene Agichtein

State-of-the-art neural rankers pre-trained on large task-specific training data such as MS-MARCO, have been shown to exhibit strong performance on various ranking tasks without do…

cs.IR2024★ 1 cited

QueryExplorer: An Interactive Query Generation Assistant for Search and Exploration

Kaustubh D. Dhole, Shivam Bajaj, Ramraj Chandradevan +1

Formulating effective search queries remains a challenging task, particularly when users lack expertise in a specific domain or are not proficient in the language of the content. P…

cs.IR2022★ 34 cited

C3: Continued Pretraining with Contrastive Weak Supervision for Cross Language Ad-Hoc Retrieval

Eugene Yang, Suraj Nair, Ramraj Chandradevan +2

Pretrained language models have improved effectiveness on numerous tasks, including ad-hoc retrieval. Recent work has shown that continuing to pretrain a language model with auxili…