activity
20232026
collaborators

14 papers

cs.LG2026

SemStruct: Contextualizing Semantic Embeddings with Structural Information for Schema Matching

Inwon Kang, Kavitha Srinivas, Nandana Mihindukulasooriya +4

Schema matching is a fundamental step in integrating heterogeneous data sources. While Pre-trained Language Models (PLMs) have revolutionized this task by capturing linguistic sema…

cs.LG2026

Towards Universal Tabular Embeddings: A Benchmark Across Data Tasks

Liane Vogel, Kavitha Srinivas, Niharika D'Souza +3

Tabular foundation models aim to learn universal representations of tabular data that transfer across tasks and domains, enabling applications such as table retrieval, semantic sea…

cs.AI2026

Agentic Control Center for Data Product Optimization

Priyadarshini Tamilselvan, Gregory Bramble, Sola Shirai +3

Data products enable end users to gain greater insights about their data by providing supporting assets, such as example question-SQL pairs which can be answered using the data or…

cs.AI2026

Automatic Prompt Engineering with No Task Cues and No Tuning

Faisal Chowdhury, Nandana Mihindukulasooriya, Niharika S D'Souza +4

This paper presents a system for automatic prompt engineering that is much simpler in both design and application and yet as effective as the existing approaches. It requires no tu…

cs.DB2025

Bridging Business Intent and Data: A Benchmark for Automatic Relational Data Product Generation

Faisal Chowdhury, Sola Shirai, Sarthak Dash +2

A data product is designed to address a specific business need by transforming raw data into a curated, usable asset that delivers actionable insights. Despite practical advances i…

cs.DB2025

Evaluating Joinable Column Discovery Approaches for Context-Aware Search

Harsha Kokel, Aamod Khatiwada, Tejaswini Pedapati +4

Joinable Column Discovery is a critical challenge in automating enterprise data analysis. While existing approaches focus on syntactic overlap and semantic similarity, there remain…

cs.IR2025

DPDisc: From Factoid Questions to Data Product Requests for Open-World Data Product Discovery over Tables and Text

Liangliang Zhang, Nandana Mihindukulasooriya, Niharika S. D'Souza +4

Data products are reusable, self-contained assets designed for specific business use cases. Automating their discovery is of great industry interest, as it enables efficient data a…

cs.CL2025

StructText: A Synthetic Table-to-Text Approach for Benchmark Generation with Multi-Dimensional Evaluation

Satyananda Kashyap, Sola Shirai, Nandana Mihindukulasooriya +1

Extracting structured information from text, such as key-value pairs that could augment tabular data, is quite useful in many enterprise use cases. Although large language models (…

cs.DB2025

TOPJoin: A Context-Aware Multi-Criteria Approach for Joinable Column Search

Harsha Kokel, Aamod Khatiwada, Tejaswini Pedapati +4

One of the major challenges in enterprise data analysis is the task of finding joinable tables that are conceptually related and provide meaningful insights. Traditionally, joinabl…

cs.AI2025

Automatic Prompt Optimization for Knowledge Graph Construction: Insights from an Empirical Study

Nandana Mihindukulasooriya, Niharika S. D'Souza, Faisal Chowdhury +1

A KG represents a network of entities and illustrates relationships between them. KGs are used for various applications, including semantic search and discovery, reasoning, decisio…

cs.CL2025

Knowledge Base Construction for Knowledge-Augmented Text-to-SQL

Jinheon Baek, Horst Samulowitz, Oktie Hassanzadeh +4

Text-to-SQL aims to translate natural language queries into SQL statements, which is practical as it enables anyone to easily retrieve the desired information from databases. Recen…

cs.CL2025

Can Cross Encoders Produce Useful Sentence Embeddings?

Haritha Ananthakrishnan, Julian Dolby, Harsha Kokel +2

Cross encoders (CEs) are trained with sentence pairs to detect relatedness. As CEs require sentence pairs at inference, the prevailing view is that they can only be used as re-rank…

cs.LG2024

TabSketchFM: Sketch-based Tabular Representation Learning for Data Discovery over Data Lakes

Aamod Khatiwada, Harsha Kokel, Ibrahim Abdelaziz +7

Enterprises have a growing need to identify relevant tables in data lakes; e.g. tables that are unionable, joinable, or subsets of each other. Tabular neural models can be helpful…

cs.IR2023

Matching Table Metadata with Business Glossaries Using Large Language Models

Elita Lobo, Oktie Hassanzadeh, Nhan Pham +3

Enterprises often own large collections of structured data in the form of large databases or an enterprise data lake. Such data collections come with limited metadata and strict ac…