Search Results - "Ahmad, Aitzaz"

Refine Results
  1. 1

    Dynamical analysis of a nonlinear fractional cervical cancer epidemic model with the nonstandard finite difference method by Asma Rashid Butt, Aitzaz Ahmad Saqib, Ali Saleh Alshomrani, Abu Bakar, Mustafa Inc

    Published in Ain Shams Engineering Journal (01-03-2024)
    “…In this paper, we analyze the fractional compartmental model in the sense of Caputo derivative for the dynamics of the novel human papillomavirus, which causes…”
    Get full text
    Journal Article
  2. 2

    Investigating the fractional dynamics and sensitivity of an epidemic model with nonlinear convex rate by Butt, Asma Rashid, Saqib, Aitzaz Ahmad, Bakar, Abu, Ozsahin, Dilber Uzun, Ahmad, Hijaz, Almohsen, Bandar

    Published in Results in physics (01-11-2023)
    “…The current study analyzes a fractional compartmental epidemic model for the transmission of infectious disease in a community. This study uses the Caputo…”
    Get full text
    Journal Article
  3. 3

    Joint Node Localization and Time-Varying Clock Synchronization in Wireless Sensor Networks by Ahmad, Aitzaz, Serpedin, Erchin, Nounou, Hazem, Nounou, Mohamed

    “…The problems of node localization and clock synchronization in wireless sensor networks are naturally tied from a statistical signal processing perspective. In…”
    Get full text
    Journal Article
  4. 4

    ROBNCA: robust network component analysis for recovering transcription factor activities by Noor, Amina, Ahmad, Aitzaz, Serpedin, Erchin, Nounou, Mohamed, Nounou, Hazem

    Published in Bioinformatics (01-10-2013)
    “…Network component analysis (NCA) is an efficient method of reconstructing the transcription factor activity (TFA), which makes use of the gene expression data…”
    Get full text
    Journal Article
  5. 5

    SparseNCA: Sparse Network Component Analysis for Recovering Transcription Factor Activities with Incomplete Prior Information by Noor, Amina, Ahmad, Aitzaz, Serpedin, Erchin

    “…Network component analysis (NCA) is an important method for inferring transcriptional regulatory networks (TRNs) and recovering transcription factor activities…”
    Get full text
    Journal Article
  6. 6

    A Factor Graph Approach to Clock Offset Estimation in Wireless Sensor Networks by Ahmad, Aitzaz, Zennaro, Davide, Serpedin, Erchin, Vangelista, Lorenzo

    Published in IEEE transactions on information theory (01-07-2012)
    “…The problem of clock offset estimation in a two-way timing message exchange regime is considered when the likelihood function of the observation time stamps is…”
    Get full text
    Journal Article
  7. 7

    Network-Wide Clock Synchronization via Message Passing with Exponentially Distributed Link Delays by Zennaro, D., Ahmad, A., Vangelista, L., Serpedin, E., Nounou, H., Nounou, M.

    Published in IEEE transactions on communications (01-05-2013)
    “…Clock synchronization has become an indispensable requirement in wireless sensor networks due to its central importance in vital network operations such as…”
    Get full text
    Journal Article
  8. 8

    Efficient Continual Pre-training for Building Domain Specific Large Language Models by Xie, Yong, Aggarwal, Karan, Ahmad, Aitzaz

    Published 14-11-2023
    “…Large language models (LLMs) have demonstrated remarkable open-domain capabilities. Traditionally, LLMs tailored for a domain are trained from scratch to excel…”
    Get full text
    Journal Article
  9. 9

    Joint node localization and time-varying clock synchronization in wireless sensor networks by Ahmad, Aitzaz, Serpedin, Erchin, Nounou, Hazem, Nounou, Mohamed

    “…The problems of node localization and clock synchronization in wireless sensor networks are naturally tied from a statistical signal processing perspective. In…”
    Get full text
    Conference Proceeding
  10. 10

    Controlled Automatic Task-Specific Synthetic Data Generation for Hallucination Detection by Xie, Yong, Aggarwal, Karan, Ahmad, Aitzaz, Lau, Stephen

    Published 16-10-2024
    “…We present a novel approach to automatically generate non-trivial task-specific synthetic datasets for hallucination detection. Our approach features a…”
    Get full text
    Journal Article
  11. 11

    Learning from Contrastive Prompts: Automated Optimization and Adaptation by Li, Mingqi, Aggarwal, Karan, Xie, Yong, Ahmad, Aitzaz, Lau, Stephen

    Published 23-09-2024
    “…As LLMs evolve, significant effort is spent on manually crafting prompts. While existing prompt optimization methods automate this process, they rely solely on…”
    Get full text
    Journal Article
  12. 12

    Timing synchronization and node localization in wireless sensor networks: Efficient estimation approaches and performance bounds by Ahmad, Aitzaz

    Published 01-01-2012
    “…Wireless sensor networks (WSNs) consist of a large number of sensor nodes, capable of on-board sensing and data processing, that are employed to observe some…”
    Get full text
    Dissertation
  13. 13

    Time-varying clock offset estimation in two-way timing message exchange in wireless sensor networks using factor graphs by Ahmad, A., Zennaro, D., Serpedin, E., Vangelista, L.

    “…The problem of clock offset estimation in a two-way timing exchange regime is considered when the likelihood function of the observation time stamps is…”
    Get full text
    Conference Proceeding
  14. 14

    On Clock Offset Estimation in Wireless Sensor Networks with Weibull Distributed Network Delays by Ahmad, Aitzaz, Noor, Amina, Serpedin, Erchin, Nounou, Hazem, Nounou, Mohamed

    “…We consider the problem of Maximum Likelihood (ML) estimation of clock parameters in a two-way timing exchange scenario where the random delays assume a…”
    Get full text
    Conference Proceeding
  15. 15

    Joint distributed parameter and channel estimation in wireless sensor networks via variational inference by Ahmad, A., Serpedin, E., Nounou, H., Nounou, M.

    “…Wireless sensor networks (WSNs) have emerged as a viable candidate for a variety of applications including military surveillance, target tracking, process…”
    Get full text
    Conference Proceeding
  16. 16

    ROBNCA: Robust Network Component Analysis for recovering transcription factor activities by Noor, Amina, Ahmad, Aitzaz, Serpedin, Erchin, Nounou, Mohamed, Nounou, Hazem

    “…Network component analysis (NCA) is an efficient method of reconstructing the transcription factor activity (TFA), which makes use of the gene expression data…”
    Get full text
    Conference Proceeding
  17. 17

    Time-varying Clock Offset Estimation in Two-way Timing Message Exchange in Wireless Sensor Networks Using Factor Graphs by Ahmad, Aitzaz, Zennaro, Davide, Serpedin, Erchin, Vangelista, Lorenzo

    Published 31-01-2012
    “…The problem of clock offset estimation in a two-way timing exchange regime is considered when the likelihood function of the observation time stamps is…”
    Get full text
    Journal Article
  18. 18

    A Factor Graph Approach to Clock Offset Estimation in Wireless Sensor Networks by Ahmad, Aitzaz, Zennaro, Davide, Serpedin, Erchin, Vangelista, Lorenzo

    Published 31-01-2012
    “…The problem of clock offset estimation in a two way timing message exchange regime is considered when the likelihood function of the observation time stamps is…”
    Get full text
    Journal Article
  19. 19

    A distributed algorithm for network-wide clock synchronization in wireless sensor networks by Ahmad, Aitzaz, Zennaro, Davide, Vangelista, Lorenzo, Serpedin, Erchin, Nounou, Hazem, Nounou, Mohamed

    “…Clock synchronization has become an indispensable requirement in wireless sensor networks due to its central importance in vital network operations such as…”
    Get full text
    Conference Proceeding
  20. 20

    LTE codebook capacity loss for single-cell multi-user MIMO channels by Ahmad, A., Papathanassiou, A., Serpedin, E., Smith, P., Shafi, M.

    “…Multi-user downlink MIMO communication has the potential to increase throughput using efficient beamforming. However, the precoding criteria assume perfect…”
    Get full text
    Conference Proceeding