collaborators

5 papers

cs.AI2026

OLG++: A Semantic Extension of Obligation Logic Graph

Subhasis Dasgupta, Jon Stephens, Amarnath Gupta

We present OLG++, a semantic extension of the Obligation Logic Graph (OLG) for modeling regulatory and legal rules in municipal and interjurisdictional contexts. OLG++ introduces r…

cs.DB2026

Feasible Plan Generation with Ambiguity-Boundedness in Cross-Model Query Processing

Subhasis Dasgupta, Amarnath Gupta

Natural language (NL) interfaces to databases broaden access to heterogeneous data but often yield many ambiguous intermediate logical plans (ILPs) due to uncertain operator scope…

cs.DB2026

Natural Language to What? A Vision for Intermediate Representations in NL-to-X Querying

Shengqi Li, Subhasis Dasgupta, Amarnath Gupta +1

Natural-language-initiated querying is usually framed as translation into a predetermined backend language such as SQL, Cypher, or SPARQL. That framing is appropriate when the sema…

cs.IR2025

Minimally Supervised Hierarchical Domain Intent Learning for CRS

Safikureshi Mondal, Subhasis Dasgupta, Amarnath Gupta

Modeling domain intent within an evolving domain structure presents a significant challenge for domain-specific conversational recommendation systems (CRS). The conventional approa…

cs.AI2025

MISCON: A Mission-Driven Conversational Consultant for Pre-Venture Entrepreneurs in Food Deserts

Subhasis Dasgupta, Hans Taparia, Laura Schmidt +1

This work-in-progress report describes MISCON, a conversational consultant being developed for a public mission project called NOURISH. With MISCON, aspiring small business owners…