3 papers
cs.DB2026
From Research Questions to Columns: Operationalization-Aware Data Discovery
Houming Chen, H. V. Jagadish
Researchers often approach a data repository with an abstract concept and ask which columns can measure it. Useful columns may not resemble the query; they may matter only as compl…
cs.DB2026
The General Stability of Ranking
Houming Chen, H. V. Jagadish
Rankings derived from weighted scoring functions are widely used in settings such as university rankings and employment candidate evaluations. Since ranking weights are often chose…
cs.DB2026
ConStruM: A Structure-Guided LLM Framework for Context-Aware Schema Matching
Houming Chen, Zhe Zhang, H. V. Jagadish
Column matching is a central task in reconciling schemas for data integration. Column names and descriptions are valuable for this task. LLMs can leverage such natural-language sch…