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O. Seneviratne

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#machine learning Preprint Sep 2026

Adaptive Ensemble Selection for Noisy Labels on Tabular Data

Incorrect or corrupted labels in tabular datasets can significantly degrade supervised learning performance, particularly when mislabeling is subtle and not easily detectable from feature space alone. In the context of automated or AI-augmented data science workflows, robust detection of such label noise is critical fo...

Faizaan Ali, Inwon Kang, O. Seneviratne · 0 citations
#artificial intelligence Review Sep 2026

The Uneven Impact of Generative AI on Student Learning: Examining the Roles of Reliance, Evaluation Literacy, and Course Policy in AI-related Courses

Differences in GenAI use and perceived learning experiences are examined and perceptions of GenAI-enhanced learning appear to reflect cognitive, performance, and self-efficacy benefits, while concerns about stress and diminished critical thinking are associated with lower perceived learning benefits.

Lydia Manikonda, Mei-Yong Si, S. Munira et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Cost Characterization of Vertically Partitioned Federated Knowledge Graphs

It is shown that the trade-off between locality and balance holds only where each silo can hold several relations, weakening as the number of silos increases, and the study provides practical guidance for deployments constrained by cross-silo reasoning or by silo load.

Md. Saikat Islam Khan Bappy, O. Seneviratne · 0 citations
#artificial intelligence Preprint Sep 2026

FedV-KGQA in Practice: Design Lessons and an Interactive Prototype

The empirical findings of FedV-KGQA on multi-hop question answering over vertically partitioned graphs are presented, and an interactive prototype that runs real inference and traces the full pipeline, per question, on released checkpoints is contributed.

Md. Saikat Islam Khan Bappy, O. Seneviratne · 0 citations
Preprint Aug 2026

FedV-KGQA: Multi-Hop Question Answering over Vertically Partitioned Knowledge Graphs

Real-world data for knowledge graph question answering is often distributed across different organizations due to governance and data sovereignty constraints. While centralized systems exist, they cannot answer multi-hop questions when the required facts are split across vertically partitioned silos. In this paper, we...

Md. Saikat Islam Khan Bappy, O. Seneviratne · 2 citations
Preprint Aug 2026

GrOIL: Graph-Grounded Domain Ontology Induction with Constrained LLM Mediation

A seven-stage graph-grounded pipeline that converts domain documents into a complete, auditable Web Ontology Language (OWL) Terminological Box (TBox) without any unconstrained generation step is presented, demonstrating that the pipeline produces stable, reusable domain representations from large document corpora.

Maruf Ahmed Mridul, A. Talukder, O. Seneviratne · 0 citations
Preprint Aug 2026

SNAP-KG: Streaming Node Assignment via Projection for Knowledge Graph Entity Integration

SNAP-KG (Streaming Node Assignment via Projection for Knowledge Graph Entity Integration), a framework supporting graph-structural multi-view relational clustering and inductive inference for streaming entities, is proposed.

Jui-Chien Lin, Mohammad Mohammadi Amiri, O. Seneviratne · 1 citation

PFN-Syn: Generating Synthetic Tabular Data with Prior-Data Fitted Networks

PFN-Syn achieves the highest average downstream utility among evaluated synthetic generators, with higher generation throughput than training-based baselines, while maintaining competitive distributional similarity and distance-to-closest-record privacy behavior.

M. Zuo, Inwon Kang, O. Seneviratne et al. · 0 citations

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