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Fixed interval scheduling: Models, applications, computational complexity and algorithms
The defining characteristic of fixed interval scheduling problems is that each job has a finite
number of fixed processing intervals. A job can be processed only in one of its intervals on …
number of fixed processing intervals. A job can be processed only in one of its intervals on …
A constant-factor approximation algorithm for unsplittable flow on paths
In the unsplittable flow problem on a path, we are given a capacitated path P and n tasks,
each task having a demand, a profit, and start and end vertices. The goal is to compute a …
each task having a demand, a profit, and start and end vertices. The goal is to compute a …
A combinatorial flow-based formulation for temporal bin packing problems
We consider two neighboring generalizations of the classical bin packing problem: the
temporal bin packing problem (TBPP) and the temporal bin packing problem with fire-ups …
temporal bin packing problem (TBPP) and the temporal bin packing problem with fire-ups …
Proactive bandwidth allocation for v2x networks with multi-attentional deep graph learning
The increasing number of connected vehicles exacerbates the scarcity of spectrum
resources in vehicle-to-everything (V2X) communication. To optimize the utilization of …
resources in vehicle-to-everything (V2X) communication. To optimize the utilization of …
A PTAS for unsplittable flow on a path
In the Unsplittable Flow on a Path problem (UFP) we are given a path with edge capacities,
and a set of tasks where each task is characterized by a subpath, a demand, and a weight …
and a set of tasks where each task is characterized by a subpath, a demand, and a weight …
Integer optimization models and algorithms for the multi-period non-shareable resource allocation problem
The resource allocation problem (RAP) determines a solution to optimally allocate limited
resources to several activities or tasks. In this study, we propose a novel resource allocation …
resources to several activities or tasks. In this study, we propose a novel resource allocation …
Improved approximation algorithms for resource allocation
We study the problem of finding a most profitable subset of n given tasks, each with a given
start and finish time as well as profit and resource requirement, that at no time exceeds the …
start and finish time as well as profit and resource requirement, that at no time exceeds the …
Optimal interval scheduling with a resource constraint
We consider a scheduling problem where n jobs have to be carried out by m parallel
identical machines. The attributes of a job j are a fixed start time sj, a fixed finish time fj, a …
identical machines. The attributes of a job j are a fixed start time sj, a fixed finish time fj, a …
A mazing 2+ ε approximation for unsplittable flow on a path
We study the problem of unsplittable flow on a path (UFP), which arises naturally in many
applications such as bandwidth allocation, job scheduling, and caching. Here we are given …
applications such as bandwidth allocation, job scheduling, and caching. Here we are given …
A (5/3+ ε)-approximation for unsplittable flow on a path: placing small tasks into boxes
In the unsplittable flow on a path problem (UFP) we are given a path with edge capacities
and a collection of tasks. Each task is characterized by a subpath, a profit, and a demand …
and a collection of tasks. Each task is characterized by a subpath, a profit, and a demand …