Severity: Warning
Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
Line Number: 176
Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3122
Function: getPubMedXML
File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global
File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword
File: /var/www/html/index.php
Line: 316
Function: require_once
Past research on concepts has focused almost exclusively on noun-object concepts. This paper discusses recent research demonstrating that useful distinctions may be made among kinds of concepts, including both object and nonobject concepts. We discuss three types of criteria, based on structure, process, and content, that may be used to distinguish among kinds of concepts. The paper then reviews a number of possible candidates for kinds based on the discussed criteria.
Download full-text PDF |
Source |
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http://dx.doi.org/10.1146/annurev.psych.51.1.121 | DOI Listing |
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