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From hot to cold: A spatial analysis of self-employment in the United States
Self-employment is a geographical phenomenon influenced by national and regional contexts. However, the study of both contexts combined is scarce in the literature on the formation of regional clusters. Using panel data ...
Regional Labor Dynamics and their Relevance in the National Aggregate: A Time Series Clustering Application for Chile
(ASOC ECONOMIA APLICADAD, 2018)
An empirical analysis of employment and payroll clusters in Puerto Rico: 1979-1999Un análisis empírico de conglomerados de empleo y de nómina en Puerto Rico: 1979-1999
(Centro de Investigaciones Comerciales e Iniciativas Académicas, 2010)
PlaceProfile: Employing Visual and Cluster Analysis to Profile Regions based on Points of Interest
(Scitepress, 2021-01-01)
Understanding how commercial and social activities and points of interest are located in a city is essential to plan efficient cities in smart mobility. Over the years, the growth of data sources from distinct online social ...
Combining classification and clustering for tweet sentiment analysis
(Universidade de São Paulo - USPUniversidade Federal de São Carlos - UFSCarCentro de Robótica de São Carlos - CROBSociedade Brasileira de Computação - SBCSociedade Brasileira de Automática - SBASão Carlos, 2014-10)
The goal of sentiment analysis is to determine opinions, emotions, and attitudes presented in source material. In tweet sentiment analysis, opinions in messages can be typically categorized as positive or negative. To ...
On the efficiency of evolutionary fuzzy clustering
(SPRINGER, 2009)
This paper tackles the problem of showing that evolutionary algorithms for fuzzy clustering can be more efficient than systematic (i.e. repetitive) approaches when the number of clusters in a data set is unknown. To do so, ...
Non-virialized clusters for detection of dark energy-dark matter interaction
(Oxford Univ Press, 2015-10-11)
The observation of galaxy and gas distributions, as well as cosmological simulations in a Lambda CDM cold dark matter universe, suggests that clusters of galaxies are still accreting mass and are not expected to be in ...