Axis 1: Data valuation for decision making

Back

Cahiers du GERAD

418 results — page 5 of 21

In this study, we develop a deterministic nonlinear filtering algorithm based on a high-dimensional version of Kitagawa (1987) to evaluate the likelihood fun...

BibTeX reference
, , , and

Significant progress has been made in the field of computer vision, due to the development of supervised machine learning algorithms, which efficiently extra...

BibTeX reference
, , and

The deepening penetration of renewable power generation is challenging how the minute balancing of supply and demand is carried out by power system operators...

BibTeX reference
and

We consider three colouring problems which are variations of the basic vertex-colouring problem, and are motivated by applications from various domains. We g...

BibTeX reference

Reducing the number of features used in data classification can remove noisy or redundant features, reduce the cost of data collection, and improve the accur...

BibTeX reference
, , , and

This paper studies the Dynamic Facility Location Problem with Modular Capacities (DFLPM). We propose a linear relaxation based heuristic (LRH) and an evoluti...

BibTeX reference
, , and

\(K\)-medoids clustering is among the most popular methods for cluster analysis, but it carries several assumptions about the nature of the latent clusters...

BibTeX reference
, , and

We present a case study of using machine learning classification algorithms to initialize a large scale commercial operations research solver (GENCOL) in the...

BibTeX reference
and

Drawing on statistical learning theory, we derive out-of-sample and optimality guarantees about the investment strategy obtained from a regularized portfoli...

BibTeX reference

We consider several time series and for each of them, we fit an appropriate dynamic parametric model. This produces serially independent error terms for each...

BibTeX reference
and

For nearest neighbor univariate random walks in a periodic environment, where the probability of moving depends on a periodic function, we show how to estim...

BibTeX reference

Given \(n\) points, a symmetric dissimilarity matrix \(D\) of dimensions \(n\times n\) and an integer \(p\geq 2\), the \(p\)-dispersion problem (pD...

BibTeX reference
, , and

We are witnessing an acceleration in the uptake of renewable energy in power systems. Because of the associated variability and uncertainty of renewables, ...

BibTeX reference

Recommender systems make use of different sources of information for providing users with recommendations of items. Such systems are often based on collabor...

BibTeX reference
, , , and

Operations Research (OR) has a very important role to play in credit scoring for building models that can help the lending organization to make a good decisi...

BibTeX reference

Algorithms for finding sparse solutions of underdetermined systems of linear equations have been the subject of intense interest in recent years, sparked b...

BibTeX reference
and

In this paper, we propose an intuitive way to couple several dynamic time series models even when there are no innovations. This extends previous work for m...

BibTeX reference
and

The airline crew scheduling problem involves determining schedules for airline crew members such that all the scheduled flights over a planning horizon (usua...

BibTeX reference
, , and

This paper investigates the current patient transportation between services in a large hospital and provides a simulation-optimization solution to reduce com...

BibTeX reference

Multiple-point simulations have been introduced over the past decade to overcome the limitations of second-order stochastic simulations in dealing with geolo...

BibTeX reference