activity
20092026
most citedModeling the Time-varying Subjective Quality of HTTP Video Streams with Rate Adaptations

94 citations · 112 across the 18 of their papers we have counts for

collaborators

24 papers

cs.AI2026

JOVE: Joint Execution and Verification for Resource-Aware LLM Task Graphs

Haoran Zhang, Dongjun Kim, Seohyeon Cha +4

Complex reasoning queries can be decomposed into directed acyclic task graphs and distributed across heterogeneous LLMs, reducing latency through parallelism and enabling smaller m…

cs.LG2026

CoreQ: Learning-Free Mismatch Correction and Successive Rounding for Quantization

Seohyeon Cha, Huancheng Chen, Dongjun Kim +4

Post-training quantization (PTQ) enables efficient deployment of large language models by mapping pretrained weights to low-bit formats without retraining, typically using a small…

cs.NI2025

Inferring Causal Relationships to Improve Caching for Clients with Correlated Requests: Applications to VR

Agrim Bari, Gustavo de Veciana, Yuqi Zhou

Efficient edge caching reduces latency and alleviates backhaul congestion in modern networks. Traditional caching policies, such as Least Recently Used (LRU) and Least Frequently U…

cs.LG2025

Optimal Resource Allocation for ML Model Training and Deployment under Concept Drift

Hasan Burhan Beytur, Haris Vikalo, Kevin S Chan +1

We study how to allocate resources for training and deployment of machine learning (ML) models under concept drift and limited budgets. We consider a setting in which a model provi…

cs.LG2025

Optimal Scheduling Algorithms for LLM Inference: Theory and Practice

Agrim Bari, Parikshit Hegde, Gustavo de Veciana

With the growing use of Large Language Model (LLM)-based tools like ChatGPT, Perplexity, and Gemini across industries, there is a rising need for efficient LLM inference systems. T…

cs.LG2025

Efficient Weighted Sampling via Score-based Generative Models

Heasung Kim, Taekyun Lee, Hyeji Kim +1

Weighted sampling -- sampling from a probability density function (PDF) proportional to the product of a base PDF and a weight function -- is a fundamental technique with wide-rang…

eess.SY2020★ 1 cited

Book-Ahead & Supply Management for Ridesourcing Platforms

Cesar N. Yahia, Gustavo de Veciana, Stephen D. Boyles +2

Ridesourcing platforms recently introduced the ``schedule a ride'' service where passengers may reserve (book-ahead) a ride in advance of their trip. Reservations give platforms pr…

cs.NI2018

Resource Allocation and HARQ Optimization for URLLC Traffic in 5G Wireless Networks

Arjun Anand, Gustavo de Veciana

5G wireless networks are expected to support Ultra Reliable Low Latency Communications (URLLC) traffic which requires very low packet delays ( < 1 msec.) and extremely high reliabi…

cs.NI2017

Joint Scheduling of URLLC and eMBB Traffic in 5G Wireless Networks

Arjun Anand, Gustavo de Veciana, Sanjay Shakkottai

Emerging 5G systems will need to efficiently support both enhanced mobile broadband traffic (eMBB) and ultra-low-latency communications (URLLC) traffic. In these systems, time is d…

cs.DC2017

Online Job Scheduling with Redundancy and Opportunistic Checkpointing: A Speedup-Function-Based Analysis

Huanle Xu, Gustavo de Veciana, Wing Cheong Lau +1

In a large-scale computing cluster, the job completions can be substantially delayed due to two sources of variability, namely, variability in the job size and that in the machine…

cs.NI2017

Statistical Multiplexing and Traffic Shaping Games for Network Slicing

Jiaxiao Zheng, Pablo Caballero, Gustavo de Veciana +2

Next generation wireless architectures are expected to enable slices of shared wireless infrastructure which are customized to specific mobile operators/services. Given infrastruct…

cs.GT2016

Network Slicing Games: Enabling Customization in Multi-Tenant Networks

Pablo Caballero, Albert Banchs, Gustavo de Veciana +1

Network slicing to enable resource sharing among multiple tenants --network operators and/or services-- is considered a key functionality for next generation mobile networks. This…

cs.NI2016

Multi-Tenant Radio Access Network Slicing: Statistical Multiplexing of Spatial Loads

P. Caballero, A. Banchs, G. de Veciana +1

This paper addresses the slicing of Radio Access Network (RAN) resources by multiple tenants, e.g., virtual wireless operators and service providers. We consider a criterion for dy…

cs.NI2016

Scheduling for Cloud-Based Computing Systems to Support Soft Real-Time Applications

Yuhuan Du, Gustavo de Veciana

Cloud-based computing infrastructure provides an efficient means to support real-time processing workloads, e.g., virtualized base station processing, and collaborative video confe…

cs.NI2016

Efficiency and Optimality of Largest Deficit First Prioritization: Resource Allocation for Real-Time Applications

Yuhuan Du, Gustavo de Veciana

An increasing number of real-time applications with compute and/or communication deadlines are being supported on shared infrastructure. Such applications can often tolerate occasi…

cs.NI2015

SVC-based Multi-user Streamloading for Wireless Networks

S. Amir Hosseini, Zheng Lu, Gustavo de Veciana +1

In this paper, we present an approach for joint rate allocation and quality selection for a novel video streaming scheme called streamloading. Streamloading is a recently developed…

q-bio.GN2015

End-to-End Optimization of High Throughput DNA Sequencing

Eliza O'Reilly, Francois Baccelli, Gustavo de Veciana +1

At the core of high throughput DNA sequencing platforms lies a bio-physical surface process that results in a random geometry of clusters of homogenous short DNA fragments typicall…

cs.MM2013★ 3 cited

Rate Adaptation and Admission Control for Video Transmission with Subjective Quality Constraints

Chao Chen, Xiaoqing Zhu, Gustavo de Veciana +2

Adapting video data rate during streaming can effectively reduce the risk of playback interruptions caused by channel throughput fluctuations. The variations in rate, however, also…

cs.MM2013★ 94 cited

Modeling the Time-varying Subjective Quality of HTTP Video Streams with Rate Adaptations

Chao Chen, Lark Kwon Choi, Gustavo de Veciana +3

Newly developed HTTP-based video streaming technologies enable flexible rate-adaptation under varying channel conditions. Accurately predicting the users' Quality of Experience (Qo…

cs.NI2013★ 3 cited

NOVA: QoE-driven Optimization of DASH-based Video Delivery in Networks

Vinay Joseph, Gustavo de Veciana

We consider the problem of optimizing video delivery for a network supporting video clients streaming stored video. Specifically, we consider the problem of jointly optimizing netw…

cs.MM2012

A Markov Decision Model for Adaptive Scheduling of Stored Scalable Videos

Chao Chen, Robert W. Heath, Alan C. Bovik +1

We propose two scheduling algorithms that seek to optimize the quality of scalably coded videos that have been stored at a video server before transmission.} The first scheduling a…

eess.SY2012

Resource Allocation: Realizing Mean-Variability-Fairness Tradeoffs

Vinay Joseph, Gustavo de Veciana, Ari Arapostathis

Network Utility Maximization (NUM) provides a key conceptual framework to study reward allocation amongst a collection of users/entities across disciplines as diverse as economics,…

eess.SY2011★ 10 cited

Variability Aware Network Utility Maximization

Vinay Joseph, Gustavo de Veciana

Network Utility Maximization (NUM) provides the key conceptual framework to study resource allocation amongst a collection of users/entities across disciplines as diverse as econom…

cs.IT2009★ 1 cited

Large deviations sum-queue optimality of a radial sum-rate monotone opportunistic scheduler

Bilal Sadiq, Gustavo de Veciana

A centralized wireless system is considered that is serving a fixed set of users with time varying channel capacities. An opportunistic scheduling rule in this context selects a us…