In this work, we raise the hypothesis that the density fluctuations field which originates the growth of large scale structures is a combination of two or more distributions, instead of assuming the widely accepted idea that the observed distribution of matter stems from a single Gaussian field produced in the very early universe. By applying the statistical analysis of finite mixture distribut...

Ontologies such as the Medical Subject Headings (MeSH) and the Gene Ontology (GO) play a major role in biology and medicine since they facilitate data integration and the consistent exchange of information between different entities. They can also be used to index and annotate data and literature, thus enabling efficient search and analysis. Unfortunately, maintaining the ontologies manually is...

A thorough review of the literature is the basis of all research and evidence-based practice. A gold-standard efficient and exhaustive search strategy is needed to ensure all relevant citations have been captured and that the search performed is reproducible. The PubMed database comprises both the MEDLINE and non-MEDLINE databases. MEDLINE-based search strategies are robust but capture only 89%...

background : the high incidence of breast cancer in young women in iran and its resultant problems for families show the necessity of exploring studies conducted in this field. the present research was conducted to determine the volume of scientific production on breast cancer in iran, and to compare it with that of other countries in the middle east. methods : this systematic review study used...

1 Purpose – The paper aims to assess the utility of non-agriculture-specific information systems, databases, and respective controlled vocabularies (thesauri) in organising and retrieving agricultural information. The purpose is to identify thesaurus-linked tree structures, controlled subject headings/terms (heading words, descriptors), and principal database-dependent characteristics and asses...

Objetivo: Investigar as terminologias sobre mulheres e feminismos no âmbito da Library of Congress Subject Headings, visando à compreensão de como os referidos assuntos estão organizados. Método: Utiliza métodos pesquisa exploratória, com revisão bibliográfica, documental se constitui em dois recortes: análise pesquisas publicadas por estudiosas(os) meio buscas realizadas na Linked Data Service...

We present spectroscopic observations of object CE-315 revealing a blue continuum with strong emission lines. Most of the detected lines are identified with He I or He II in emission with a handful of faint lines of nitrogen. Notable is the complete absence of hydrogen lines. The He lines exhibit triple-peaked profiles with remarkably broad widths, of ∼2000 km s (FWZP). The observations show th...