Proceedings of the National Academy of Sciences Bibliometric Report

Introduction

This report provides a comprehensive analytics report of the publisher Proceedings of the National Academy of Sciences including basic bibliometric information, citation data, impact metrics, top journals, publication keywords, etc., over recent years. The Crossref database (up to the end of 2021) processed by ScienceGate has been used for this report as the source of data.

Proceedings of the National Academy of Sciences has published 151906 documents so far, receiving a total of 12444618 citations. These numbers are equal to 0.12% and 1.13% of the total documents and citations in the scientific community, respectively. Proceedings of the National Academy of Sciences has a score of 81.92 as a number of citations per document based on all recorded data. There are different types of documents published by Proceedings of the National Academy of Sciences. In this regard, Journal Article, and Dataset a with the total document number of 151905, and 1 have the largest share, respectively. These numbers are equal to 100.00%, and 0.00% of the total documents published in Proceedings of the National Academy of Sciences so far, respectively. Proceedings of the National Academy of Sciences has been an active publisher from 1915-2021.

Basic Bibliometric Information

This section provides the bibliometrics data of Proceedings of the National Academy of Sciences over the last 11 years, including the number of published documents, total citations, citations per document, and scaled number of citations per document by year. Share of Proceedings of the National Academy of Sciences documents and citations among all published scientific documents are also presented here. Proceedings of the National Academy of Sciences has the highest annual number of publications in 2013, with 4646 published documents. Most annual citations are also received in 2010, with 435485 citations. The highest citations per document’s scores, scaled by the number of years ahead, are associated with 2020, with scores of 3.32.

Document Types

There are different types of documents published by publishers. In this section, the yearly publication data of Proceedings of the National Academy of Sciences are presented by document type, including Journal Articles, and Datasets.

The number of published documents by Proceedings of the National Academy of Sciences are 151905, and 1 for Journal Articles, and Datasets, respectively. These numbers are equal to 0.17%, and 0.00% of the whole published Journal Articles, and Datasets in the database so far, respectively.

The number of received citations by Journal Articles, and Datasets of Proceedings of the National Academy of Sciences are 12444618, and 0, respectively. These numbers are equal to 1.18%, and 0.00% of the citations received by whole Journal Articles, and Datasets of the database so far, respectively.

The h-index value for published Journal Articles, and Datasets by Proceedings of the National Academy of Sciences are 796, and 0, respectively. The corresponding values for the whole data of the database are 3201, and 98, respectively.

The g-index value for published Journal Articles, and Datasets by Proceedings of the National Academy of Sciences are 56, and 0, respectively. The corresponding values for the whole data of the database are 129, and 20, respectively.

The score of citations per document for published Journal Articles, and Datasets by Proceedings of the National Academy of Sciences are 81.924, and 0.000, respectively. The corresponding values for the whole data of the database are 11.521, and 0.070, respectively.

The highest number of annually published Journal Articles, and Datasets by Proceedings of the National Academy of Sciences are 4645, and 1, respectively. The corresponding year of maximum publication for Journal Articles, and Datasets are 2013, and 2013, respectively.

The highest number of annual received citations by Journal Articles, and Datasets published in Proceedings of the National Academy of Sciences are 435485, and 0, respectively. The corresponding years of maximum received citations for Journal Articles, and Datasets are 2010, and 2020, respectively.

The highest values of citations per number of document for Journal Articles, and Datasets published in Proceedings of the National Academy of Sciences are 102.61, and 0.00, respectively. The corresponding years of maximum values of citations per document for Journal Articles, and Datasets are 2010, and 2013, respectively.

Impact Metrics

Various metrics and indicators are used to evaluate the impact and quality of publishers and journals. Here, h-index, g-index, and i-index are selected as impact evaluation metrics of the publisher Proceedings of the National Academy of Sciences.

H-index

H-index indicates the number of articles published by a journal/publisher, h, that have been cited at least h times. h5-index and h10-index are the h-index for papers of a publishers/journals published in the last 5 and 10 years, respectively. h-index, h10-index, and h5-index of the documents published by Proceedings of the National Academy of Sciences, are 796, 358, and 169, respectively. The corresponding values for the whole data of the database are 3269, 1489, and 795, respectively.

G-index

The g-index indicator is the first g papers of a publisher/journal (sorted by the highest to the lowest number of citations) that have cumulatively received at least g^2 citations. Again, g5-index and g10-index are the g-index for papers of a publishers/journals published in the last 5 and 10 years, respectively. G-index, g10-index, and g5-index of the documents published by Proceedings of the National Academy of Sciences are 56, 31, and 22, respectively. The corresponding values for the whole data of the database are 131, 80, and 55, respectively.

I-n index

I-n index shows the number of publications of a publisher/journal with at least n citations. Read another post here for more detailed information on different research impact metrics. It is to be noted that, i10-index, i25-index, i50-index, i100-index, i250-index, i500-index, i1000-index, i2500-index, i5000-index, and i10000-index of the documents published by Proceedings of the National Academy of Sciences, are 120271, 97739, 68677, 36404, 9310, 2277, 482, 84, 20, and 5, respectively. The corresponding values for the whole data of the database are 21796896, 10617845, 4822066, 1785083, 390499, 114230, 31648, 5505, 1423, and 355, respectively.

Top Journals

This section provides the basic bibliometrics data of the Proceedings of the National Academy of Sciences top journals, including the number of published documents, total citations, and citations per document. Share of documents and citations of each journal among all published documents by Proceedings of the National Academy of Sciences is also presented here. In the following tag cloud chart, top journals are displayed based on the largest number of published documents.

The Top 5 journals of Proceedings of the National Academy of Sciences based on the number of published documents are , and Proceedings of the National Academy of Sciences. The numbers of documents published so far by these top 5 journals are , and 151900, respectively. These numbers are equal to , and 99.996% of the total documents published by Proceedings of the National Academy of Sciences so far, respectively.

Concerning the number of received citations, the top 5 journals of Proceedings of the National Academy of Sciences are , and Proceedings of the National Academy of Sciences. The total number of citations received so far by these top 5 journals are , and 151900, respectively. These numbers are equal to , and 1.221% of the total citations received by Proceedings of the National Academy of Sciences publications so far, respectively.

Regarding the number of citations received per document, the top 5 journals of Proceedings of the National Academy of Sciences are , and Proceedings of the National Academy of Sciences. The numbers of citations received per published document so far by these top 5 journals are , and 81.927, respectively.

Top Keywords

The Most used keywords are of particular importance for reviewing a publisher. This section provides detailed information about basic bibliometrics data of top used keywords in Proceedings of the National Academy of Sciences. The metrics used here are the number of documents, citations and citations per document. Share of documents and citations of each keyword among whole published documents is also presented here. In the following tag cloud chart, top keywords are displayed based on the largest number of published documents.

According to the number of published documents, the top 10 keywords of the publisher Proceedings of the National Academy of Sciences are in vitro, escherichia coli, gene expression, t cell, growth factor, t cells, amino acid, protein kinase, transcription factor, and binding protein, respectively. The number of published documents in which the mentioned 10 keywords are used are, 3298, 3001, 2282, 2190, 1678, 1549, 1365, 1323, 1258, and 1034, respectively.

Based on the number of received citations, the top 10 keywords of the publisher Proceedings of the National Academy of Sciences are escherichia coli, in vitro, gene expression, growth factor, t cell, stem cells, protein kinase, t cells, nitric oxide, and amino acid, respectively. The number of citations received by the documents in which the mentioned 10 keywords are used are, 3001, 3298, 2282, 1678, 2190, 952, 1323, 1549, 587, and 1365, respectively.

Concerning the score of received citations per document, the top 10 keywords of the publisher Proceedings of the National Academy of Sciences are nitric oxide, stem cells, growth factor, breast cancer, endothelial cells, magnetic resonance, mammalian cells, transgenic mice, tumor suppressor, and deficient mice, respectively. The score of citations received per document in which the mentioned 10 keywords are used are, 178.842, 122.646, 110.745, 109.313, 108.744, 108.032, 103.431, 101.562, 100.333, and 99.034, respectively.