activity
20242026
most citedEvaluating Bias in LLMs for Job-Resume Matching: Gender, Race, and Education

1 citations · 4 across the 14 of their papers we have counts for

collaborators

16 papers

cs.CL2026

Explore Separately, Adopt Selectively: Execution-Guided Tool Use over Large Tool Libraries

Anna Mazhar, Seiji Maekawa, Nikita Bhutani

Enterprise LLM agents using growing tool catalogs must surface capabilities as workflows evolve without flooding context or committing to the wrong tool. Adaptive retrieval can exp…

cs.CL2026

ARCS: Towards Precise Text-to-SQL via Structured Disambiguation

Yihao Hu, Yanlin Feng, Naoki Otani +1

As text-to-SQL systems move beyond demonstrations toward real-world deployment, ambiguity in user questions becomes a primary source of errors. Such ambiguities are often subtle, d…

cs.CL2026

Do Agents Need to Plan Step-by-Step? Rethinking Planning Horizon in Data-Centric Tool Calling

Naoki Otani, Nikita Bhutani, Hannah Kim +2

Explicit planning is a critical capability for LLM-based agents solving complex data-centric tasks, which require precise tool calling over external data sources. Existing strategi…

cs.AI2026

Blue Data Intelligence Layer: Streaming Data and Agents for Multi-source Multi-modal Data-Centric Applications

Moin Aminnaseri, Farima Fatahi Bayat, Nikita Bhutani +17

NL2SQL systems aim to address the growing need for natural language interaction with data. However, real-world information rarely maps to a single SQL query because (1) users expre…

cs.DB2026

From Textual Columns to Query Plans: A Unified Relational-Semantic Execution Framework for Hybrid Query Processing

Nima Shahbazi, Seiji Maekawa, Nikita Bhutani +1

Real-world table question answering often involves hybrid schemas in which some query-relevant information is explicit in relational columns, while other attributes, predicates, or…

cs.CL2025

The Rarity Blind Spot: A Framework for Evaluating Statistical Reasoning in LLMs

Seiji Maekawa, Hayate Iso, Nikita Bhutani

Effective decision-making often relies on identifying what makes each candidate distinctive. While existing benchmarks for LLMs emphasize retrieving or summarizing information rele…

cs.CL2025

Same Content, Different Representations: A Controlled Study for Table QA

Yue Zhang, Seiji Maekawa, Nikita Bhutani

Table Question Answering (Table QA) in real-world settings must operate over both structured databases and semi-structured tables containing textual fields. However, existing bench…

cs.CL2025

Efficient Context Selection for Long-Context QA: No Tuning, No Iteration, Just Adaptive-

Chihiro Taguchi, Seiji Maekawa, Nikita Bhutani

Retrieval-augmented generation (RAG) and long-context language models (LCLMs) both address context limitations of LLMs in open-domain question answering (QA). However, optimal exte…

cs.AI2025

Orchestrating Agents and Data for Enterprise: A Blueprint Architecture for Compound AI

Eser Kandogan, Nikita Bhutani, Dan Zhang +3

Large language models (LLMs) have gained significant interest in industry due to their impressive capabilities across a wide range of tasks. However, the widespread adoption of LLM…

cs.CL2025★ 1 cited

Evaluating Bias in LLMs for Job-Resume Matching: Gender, Race, and Education

Hayate Iso, Pouya Pezeshkpour, Nikita Bhutani +1

Large Language Models (LLMs) offer the potential to automate hiring by matching job descriptions with candidate resumes, streamlining recruitment processes, and reducing operationa…

cs.IR2024

Snippet-based Conversational Recommender System

Haibo Sun, Naoki Otani, Hannah Kim +2

Conversational Recommender Systems (CRS) engage users in interactive dialogues to gather preferences and provide personalized recommendations. While existing studies have advanced…

cs.CL2024★ 1 cited

Natural Language Processing for Human Resources: A Survey

Naoki Otani, Nikita Bhutani, Estevam Hruschka

Advances in Natural Language Processing (NLP) have the potential to transform HR processes, from recruitment to employee management. While recent breakthroughs in NLP have generate…

cs.CL2024★ 1 cited

From Single to Multi: How LLMs Hallucinate in Multi-Document Summarization

Catarina G. Belem, Pouya Pezeshkpour, Hayate Iso +3

Although many studies have investigated and reduced hallucinations in large language models (LLMs) for single-document tasks, research on hallucination in multi-document summarizat…

cs.CL2024

Holistic Reasoning with Long-Context LMs: A Benchmark for Database Operations on Massive Textual Data

Seiji Maekawa, Hayate Iso, Nikita Bhutani

The rapid increase in textual information means we need more efficient methods to sift through, organize, and understand it all. While retrieval-augmented generation (RAG) models e…

cs.DB2024★ 1 cited

A Blueprint Architecture of Compound AI Systems for Enterprise

Eser Kandogan, Sajjadur Rahman, Nikita Bhutani +11

Large Language Models (LLMs) have showcased remarkable capabilities surpassing conventional NLP challenges, creating opportunities for use in production use cases. Towards this goa…

cs.CL2024

Retrieval Helps or Hurts? A Deeper Dive into the Efficacy of Retrieval Augmentation to Language Models

Seiji Maekawa, Hayate Iso, Sairam Gurajada +1

While large language models (LMs) demonstrate remarkable performance, they encounter challenges in providing accurate responses when queried for information beyond their pre-traine…