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Kifayat Ullah Khan

Birmingham City University

School of Social Sciences

City North Campus

Birmingham, B42 2SU

United Kingdom

  • Birmingham City University

SCHOLARLY PAPERS

2

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111

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Scholarly Papers (2)

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1.

Optimizing Computational Efficiency and Retrieval Time Through Pruning of Overlapping Regions in Knowledge Graphs

Number of pages: 21 Posted: 07 Nov 2024
Anwar Shah, Haiz Tayyab, Kifayat Ullah Khan, Faisal Cheema, Waleed S. Alnumay S. Alnumay and Bahar Ali
National University of Computer and Emerging Sciences (NUCES or FAST-NU), affiliation not provided to SSRN, Birmingham City University, affiliation not provided to SSRN, King Saud University and Institute of Management Sciences
Downloads 58 (1,020,567)

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Knowledge graph : Shared meta-paths : Locality Sensitive Hashing based aggregation : multi-vocabulary : Pruning True Overlapping Regions : Graph Reconstruction : Entity Dependency

2.

Bridging Relevance and Diversity: The Power of DKE-u-LLMs for Keyphrase Extraction

Number of pages: 36 Posted: 01 Nov 2025
Muhammad Umair, Kifayat Ullah Khan, Irfan Ullah, Tariq Habib Afridi, Syed Jalaluddin Hashmi and Young-Koo Lee
affiliation not provided to SSRN, Birmingham City University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 53 (1,074,648)

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Diverse Keyphrase Extraction, Large Language Models, Transformer-based Maximum Marginal Relevance, MaskedSoftMax