Now showing items 29-45 of 45

• #### Nature-inspired approaches for distance metric learning in multivariate time series classification ﻿

(IEEE Congress on Evolutionary Computation (CEC), 2017-07)
The applicability of time series data mining in many different fields has motivated the scientific community to focus on the development of new methods towards improving the performance of the classifiers over this particular ...
• #### A note on the behavior of majority voting in multi-class domains with biased annotators ﻿

(IEEE Transactions on Knowledge and Data Engineering, 2018-05)
Majority voting is a popular and robust strategy to aggregate different opinions in learning from crowds, where each worker labels examples ac- cording to their own criteria. Although it has been extensively studied in the ...
• #### A note on the Boltzmann distribution and the linear ordering problem ﻿

(Lecture Notes in Computer Science, 2016-10-01)
The Boltzmann distribution plays a key role in the field of optimization as it directly connects this field with that of probability. Basically, given a function to optimize, the Boltzmann distribution associated to this ...
• #### A novel adaptive density-based ACO algorithm with minimal encoding redundancy for clustering problems ﻿

(2016 IEEE Congress on Evolutionary Computation, CEC 2016, 2016-11-14)
In the so-called Big Data paradigm descriptive analytics are widely conceived as techniques and models aimed at discovering knowledge within unlabeled datasets (e.g. patterns, similarities, etc) of utmost help for subsequent ...
• #### On the applicability of ant colony optimization to non-intrusive load monitoring in smart grids ﻿

(Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2015-12-31)
Along with the proliferation of the Smart Grid, power load disaggregation is a research area that is lately gaining a lot of popularity due to the interest of energy distribution companies and customers in identifying ...
• #### On the relevance of preprocessing in predictive maintenance for dynamic systems ﻿

(Predictive Maintenance in Dynamic Systems, 2018)
The complexity involved in the process of real-time data-driven monitoring dynamic systems for predicted maintenance is usually huge. With more or less in-depth any data-driven approach is sensitive to data preprocessing, ...
• #### On-Line Dynamic Time Warping for Streaming Time Series ﻿

(Machine Learning and Knowledge Discovery in Databases. ECML PKDD 2017. Lecture Notes in Computer Science, 2017-09)
Dynamic Time Warping is a well-known measure of dissimilarity between time series. Due to its flexibility to deal with non-linear distortions along the time axis, this measure has been widely utilized in machine learning ...
• #### An optimization tool to design the field of a Solar Power Tower plant allowing heliostats of different sizes ﻿

(International Journal of Energy Research, 2016-10-30)
The design of a Solar Power Tower plant involves the optimization of the heliostat field layout. Fields are usually designed to have all heliostats of identical size. Although the use of a single heliostat size has been ...
• #### Path Planning for Single Unmanned Aerial Vehicle by Separately Evolving Waypoints ﻿

(IEEE Transactions on Robotics, 2015-12-31)
Evolutionary algorithm-based unmanned aerial vehicle (UAV) path planners have been extensively studied for their effectiveness and flexibility. However, they still suffer from a drawback that the high-quality waypoints in ...
• #### perm mateda: A matlab toolbox of estimation of distribution algorithms for permutation-based combinatorial optimization problems ﻿

(ACM Transactions on Mathematical Software, 2018)
Permutation problems are combinatorial optimization problems whose solutions are naturally codified as permutations. Due to their complexity, motivated principally by the factorial cardinality of the search space of ...
• #### A review on distance based time series classification ﻿

(Data Mining and Knowledge Discovery,, 2018-11-01)
Time series classification is an increasing research topic due to the vast amount of time series data that is being created over a wide variety of fields. The particularity of the data makes it a challenging task and ...
• #### Soft range information for network localization ﻿

(IEEE Transactions on Signal Processing, 2018-06-15)
The demand for accurate localization in complex environments continues to increase despite the difficulty in extracting positional information from measurements. Conventional range-based localization approaches rely on ...
• #### Spacecraft Trajectory Optimization: A review of Models, Objectives, Approaches and Solutions ﻿

(Progress in Aerospace Sciences, 2018)
This article is a survey paper on solving spacecraft trajectory optimization problems. The solving process is decomposed into four key steps of mathematical modeling of the problem, defining the objective functions, ...
• #### Spatiotemporal information coupling in network navigation ﻿

(IEEE Transactions on Information Theory, 2018-12)
Network navigation, encompassing both spatial and temporal cooperation to locate mobile agents, is a key enabler for numerous emerging location-based applications. In such cooperative networks, the positional information ...
• #### A system for airport weather forecasting based on circular regression trees ﻿

(Environmental Modelling & Software, 2017-11-01)
This paper describes a suite of tools and a model for improving the accuracy of airport weather forecasts produced by numerical weather prediction (NWP) products, by learning from the relationships between previously ...
• #### The weighted independent domination problem: ILP model and algorithmic approaches ﻿

(Lecture Notes in Computer Science, 2017-06-01)
This work deals with the so-called weighted independent domination problem, which is an N P -hard combinatorial optimization problem in graphs. In contrast to previous theoretical work from the liter- ature, this paper ...
• #### The Weighted Independent Domination Problem: ILP Model and Algorithmic Approaches ﻿

(European Journal of Operational Research, 2017-08-30)
This work deals with the so-called weighted independent domination problem, which is an $NP$-hard combinatorial optimization problem in graphs. In contrast to previous work, this paper considers the problem from a ...