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Sequence-based Detection of Sleeping Cell Failures in Mobile Networks
[article]
2015
arXiv
pre-print
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The proposed detection framework uses N-gram analysis for identification of abnormal behavior in sequences of network events. ...
Achieved results demonstrate that the suggested method can be used in modern performance monitoring systems for reliable, timely and automatic detection of random access channel sleeping cells. ...
Work on this study has been partly funded by MIPCOM project, Graduate School in Electronics, Telecommunications and Automation (GETA), and Doctoral Program in Computing and Mathematical Sciences (COMAS ...
arXiv:1501.03935v2
fatcat:t3nrjbcfnfes3dtnliynqi4wxa
An Adaptive Framework for Optimization and Prediction of Air Traffic Management (Sub-)Systems with Machine Learning
2022
Aerospace (Basel)
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Overall, the discussed framework represents a strict guideline for addressing data and machine learning (ML)-based analysis and metaheuristic optimization in ATM. ...
When regarding aviation as a time-continuous system measured in value-discrete time series via performance indicators and certain metrics, it is important to use sufficiently targeted mathematical models ...
Figure 2 shows some of the system dependencies that exist in developing a key performance indicator (KPI) for delays. ...
doi:10.3390/aerospace9020077
fatcat:hoy5korrerh2zn5bm52b5hskbe
Bottom to top approach for railway KPI generation
[chapter]
2014
Proceedings of Maintenance Performance Measurement and Management (MPMM) Conference 2014
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There is a need for an improved method to analyse railway data to find the relevant KPIs. ...
In this scenario, a plurality of use indices and weighting values are used to create a composite and aggregated use index from a combination of lower level use indices and weighting values. ...
The development of a variety of track condition indicators such as geometry cars, rail defect detection equipment and gage restraint management systems has resulted in a significant amount of new and useful ...
doi:10.14195/978-972-8954-42-0_25
fatcat:4uugzcirnvfpjhbb2gcj6jmzli
Bottom to Top Approach for Railway KPI Generation
2017
Management Systems in Production Engineering
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There is a need for an improved method to analyse railway data to find the relevant KPIs. ...
In this scenario, a plurality of use indices and weighting values are used to create a composite and aggregated use index from a combination of lower level use indices and weighting values. ...
The development of a variety of track condition indicators such as geometry cars, rail defect detection equipment and gage restraint management systems has resulted in a significant amount of new and useful ...
doi:10.1515/mspe-2017-0028
fatcat:zy5ipfkomfegrj5ku2pzonk4qe
A Framework for Monitoring Ecosystems-Based Adaptation to Climate Change: Experience from The Gambia
2021
Sustainability
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The framework contributes to the set of tools currently in use for EbA monitoring by offering an umbrella within which existing tools can be applied. ...
Initial products from this research include a generic, five-step process for developing and testing adaptation indicators, a robust framework consisting of (i) the indicators, data and information used ...
We are also very grateful for the technical support of the EbA project field teams in commenting on the monitoring tool. ...
doi:10.3390/su131910959
fatcat:v4z6mayxsrgoxd2wb2tjzhuk2m
On the Use of Composite Indicators for Mobile Communications Network Management in Smart Sustainable Cities
2020
Applied Sciences
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In this paper, we propose the use of composite indicators based on key performance indicators both as a tool for a cognitive management of mobile communications networks, as well as a metric which could ...
A use case that is based on a universal mobile telecommunications system network is analyzed, due to technology simplicity and scalability, as well as the availability of key performance indicators. ...
In regions, such as Sub Saharan Africa, this percentage increases up to 58%. ...
doi:10.3390/app11010181
fatcat:2ohhqxj25zfbvf2p573266ng6m
Design of a self-learning multi-agent framework for the adaptation of modular production systems
2021
The International Journal of Advanced Manufacturing Technology
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The framework includes general implementations of agents and other software components for self-learning and adaptation, sensor data analysis, system modelling and simulation, as well as human-computer ...
The results indicate that the use of the framework in a typical adaptation process provides a significant reduction in time and resources required. ...
Another example is vision systems with cameras and inspection software for feature detection. ...
doi:10.1007/s00170-021-07028-z
fatcat:y7l7zdqk5zesbjmgjeaa3lznxa
Computationally unifying urban masterplanning
2013
Proceedings of the ACM International Conference on Computing Frontiers - CF '13
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used in a DEF analysis enabling comparison of different district energy systems using a variety of KPIs. ...
For example a poor score may result from a single KPI in one discipline being sub-par. ...
doi:10.1145/2482767.2482808
dblp:conf/cf/BirchKFS13
fatcat:35hkjyronzbcpp25jikqirsnhe
DECISION SUPPORT VISUALIZATION APPROACH IN TEXTILE MANUFACTURING A CASE STUDY FROM OPERATIONAL CONTROL IN TEXTILE INDUSTRY
2019
International Journal for Quality Research
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In this study, was used a visualization tool capable of handling multivariate time series for studying a problem of operational control in a textile manufacturing plant; the main goal was to identify sources ...
A concise rule-based model of the inefficiency measures (i.e. quantitative measures were transformed into categorical variables) was developed and then performed an in-depth visual analysis using a particular ...
Acknowledgements: This study was partially conducted at the Psychology Research Centre (UID/PSI/01662/2013), University of Minho, and supported by the Portuguese Foundation for Science and Technology and ...
doi:10.24874/ijqr13.04-16
fatcat:bgat7htoxjbyvckfril5c2wf2y
A Survey of Machine Learning Techniques Applied to Self-Organizing Cellular Networks
2017
IEEE Communications Surveys and Tutorials
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networks domain and fully enable the concept of SON in the near future. ...
In order for future networks to overcome the current limitations and address the issues of current cellular systems, it is clear that more intelligence needs to be deployed, so that a fully autonomous ...
ACKNOWLEDGMENT The authors would like to thank CNPq (Brazil) for the support for this work. ...
doi:10.1109/comst.2017.2727878
fatcat:in5uol6wxba5lhmwov3v5rnz5q
Measuring maintenance performance: a holistic approach
1999
International Journal of Operations & Production Management
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The operational efficiency of an organization's maintenance function can be benchmarked with those of its counterparts in other organizations by using Data Envelopment Analysis (DEA) . ...
System audits are the tool for measuring organizational culture, which in turn determines the appropriate approach to the organization of maintenance functions. ...
Acknowledgement We are pleased to thank the Natural Science & Engineering Research Council of Canada for their support under Grant A4174. ...
doi:10.1108/01443579910271674
fatcat:2ikv6v5upzadnipv6c75z2or2a
Multidimensional Databases and Data Warehousing
2010
Synthesis Lectures on Data Management
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Potential topics include, but not are limited to: query languages, database system architectures, transaction management, data warehousing, XML and databases, data stream systems, wide scale data distribution ...
We also thank Tamer for identifying problems such as typos and hard-to-follow prose in an earlier draft of the lecture, and for challenging us to find ways of using the noun "data" that comply with the ...
We thank Tamer Özsu for inviting us to contribute the lecture, and we thank Diane Cerra for her insightful management of the entire process. ...
doi:10.2200/s00299ed1v01y201009dtm009
fatcat:okkbzn3ahzcfxkthg5zfhv7dhq
Energy Technological Review
2016
Zenodo
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A best practice methodology for defining and applying KPIs was pursued; for this reason, an extensive review of the academic literature in this area was conducted and is presented in this deliverable. ...
Following the actors and actor-networks analysis realised during Task 2.1, the work performed during Task 2.2 represents a further step towards the complete energy system characterisation, as it provides ...
Wave farms that are used for testing the concept of wave power can be found in Portugal, the United Kingdom, Australia, and the United States. ...
doi:10.5281/zenodo.3479264
fatcat:zhsow6pnsfd2tlj7bkyrepnnnq
Big data analytics: Understanding its capabilities and potential benefits for healthcare organizations
2018
Technological forecasting & social change
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From content analysis of 26 big data implementation cases in healthcare, we were able to identify five big data analytics capabilities: analytical capability for patterns of care, unstructured data analytical ...
In addition, we recommend five strategies for healthcare organizations that are considering to adopt big data analytics technologies. ...
remain problematic in many instances. ...
doi:10.1016/j.techfore.2015.12.019
fatcat:bliiblzo2vaszal6bp5ualb7ui
A Virtual Community of Practice Proposal for Business Intelligence Researchers
2012
Informatică economică
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In an economical post-crisis context, the general tendency is to migrate to stronger alliances that offer support. ...
An organization can remain an important competitor in a changing market only optimizing performance, constantly taking advantage of the raisin opportunities, risking and being flexible at new multiple ...
Multidimensional analysis offers real advantages for the decisional factor, representing an intuitive approach of forecasting in the present context of market economy. ...
doaj:3919388b4f5a4924b517f5d7446c1e15
fatcat:3xth7lainjedhl2dth5lpnzacm
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