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222 lines
9.0 KiB
222 lines
9.0 KiB
;;; org-ref-scopus.el --- Emacs-lisp interface to the Scopus API -*- lexical-binding: t; -*-
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;; Copyright (C) 2015 John Kitchin
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;; Author: John Kitchin <jkitchin@andrew.cmu.edu>
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;; Keywords:
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; See http://dev.elsevier.com/index.html for more information about the Scopus API
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;;
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;; New org-links:
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;; eid:2-s2.0-72649092395 with a hydra menu
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;; [[scopus-search:alloy Au segregation]]
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;; [[scopus-advanced-search:au-id(24176978500)]]
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;;; Code:
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(require 'org)
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(require 'hydra)
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(require 'xml)
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(require 'org-ref-utils)
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(defvar url-request-method)
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(defvar url-mime-accept-string)
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(defvar url-http-end-of-headers)
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(defvar url-request-extra-headers)
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(defvar *scopus-api-key* nil
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"Your Scopus API key.
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You need to set this in your init files. Get a key here:
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http://dev.elsevier.com/myapikey.html.")
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;; (defun scopus-doi-to-xml (doi)
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;; "Return a parsed xml from the Scopus article retrieval api for DOI.
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;; This does not always seem to work for the most recent DOIs."
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;; (let* ((url-request-method "GET")
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;; (url-request-extra-headers (list (cons "X-ELS-APIKey" *scopus-api-key*)))
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;; (url (format "http://api.elsevier.com/content/article/doi/%s" doi))
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;; (xml))
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;; (setq xml
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;; (with-current-buffer (url-retrieve-synchronously url)
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;; (xml-parse-region url-http-end-of-headers (point-max))))
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;; (if (eq 'service-error (caar xml))
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;; (progn (message-box "%s\n%s\n%s" doi url xml)
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;; nil)
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;; xml)))
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(defun scopus-doi-to-eid (doi)
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"Get a Scopus eid from a DOI.
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Requires `*scopus-api-key*' to be defined."
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(unless *scopus-api-key* (error "You must define `*scopus-api-key*'"))
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(let* ((url-request-method "GET")
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(url-mime-accept-string "application/xml")
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(url-request-extra-headers (list (cons "X-ELS-APIKey" *scopus-api-key*)
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'("field" . "eid")))
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(url (format "http://api.elsevier.com/content/search/scopus?query=doi(%s)" doi))
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(xml (with-current-buffer (url-retrieve-synchronously url)
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(xml-parse-region url-http-end-of-headers (point-max))))
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(results (car xml))
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(entry (car (xml-get-children results 'entry))))
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(car (xml-node-children (car (xml-get-children entry 'eid))))))
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;;;###autoload
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(defun scopus-related-by-keyword-url (doi)
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"Return a Scopus url to articles related by keyword for DOI."
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(interactive)
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(unless *scopus-api-key* (error "You must define `*scopus-api-key*'"))
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(let ((eid (scopus-doi-to-eid doi)))
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(when eid (format "http://www.scopus.com/search/submit/mlt.url?eid=%s&src=s&all=true&origin=recordpage&method=key&zone=relatedDocuments" eid))))
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;;;###autoload
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(defun scopus-related-by-author-url (doi)
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"Return a Scopus url to articles related by author for DOI."
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(interactive)
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(unless *scopus-api-key* (error "You must define `*scopus-api-key*'"))
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(let ((eid (scopus-doi-to-eid doi)))
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(when eid (format "http://www.scopus.com/search/submit/mlt.url?eid=%s&src=s&all=true&origin=recordpage&method=aut&zone=relatedDocuments" eid))))
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;;;###autoload
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(defun scopus-related-by-references-url (doi)
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"Return a Scopus url to articles related by references for DOI."
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(interactive)
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(unless *scopus-api-key* (error "You must define `*scopus-api-key*'"))
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(let ((eid (scopus-doi-to-eid doi)))
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(when eid (format "http://www.scopus.com/search/submit/mlt.url?eid=%s&src=s&all=true&origin=recordpage&method=ref&zone=relatedDocuments" eid))))
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(defun scopus-citing-url (doi)
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"Return a Scopus url to articles citing DOI."
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(format "http://www.scopus.com/results/citedbyresults.url?sort=plf-f&cite=%s&src=s&imp=t&sot=cite&sdt=a&sl=0&origin=recordpage" (scopus-doi-to-eid doi)))
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;;;###autoload
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(defun scopus-open-eid (eid)
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"Open article with EID in browser."
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(interactive "sEID: ")
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(browse-url (format "http://www.scopus.com/record/display.url?eid=%s&origin=resultslist" eid)))
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(defun scopus ()
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"Open http://scopus.com is a browser."
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(browse-url "http://www.scopus.com"))
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;;;###autoload
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(defun scopus-basic-search (query)
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"Open QUERY as a basic title-abstract-keyword search at scopus.com."
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(interactive "sQuery: ")
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(browse-url
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(format
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"http://www.scopus.com/results/results.url?sort=plf-f&src=s&sot=b&sdt=b&sl=%s&s=TITLE-ABS-KEY%%28%s%%29&origin=searchbasic"
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(length (url-unhex-string (concat "TITLE-ABS-KEY%28" (url-hexify-string query) "%29")))
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(url-hexify-string query))))
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;;;###autoload
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(defun scopus-advanced-search (query)
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"Open QUERY as an advanced search at scopus.com."
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(interactive "sQuery: ")
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(browse-url
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(format
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"http://www.scopus.com/results/results.url?sort=plf-f&src=s&sot=a&sdt=a&sl=%s&s=%s&origin=searchadvanced"
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(length query)
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(url-hexify-string query))))
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;;; Org-mode EID link and an action menu
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;; These functions use a global var *hydra-eid*
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(defvar *hydra-eid* nil
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"Global variable to pass an EID from an ‘org-mode’ link to a hydra function.")
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(defhydra scopus-hydra (:color blue)
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("o" (scopus-open-eid *hydra-eid*) "Open in Scopus")
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("a" (browse-url (format "http://www.scopus.com/search/submit/mlt.url?eid=%s&src=s&all=true&origin=recordpage&method=aut&zone=relatedDocuments" *hydra-eid*))
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"Related by author")
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("k" (browse-url (format "http://www.scopus.com/search/submit/mlt.url?eid=%s&src=s&all=true&origin=recordpage&method=key&zone=relatedDocuments" *hydra-eid*))
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"Related by keyword")
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("r" (browse-url (format "http://www.scopus.com/search/submit/mlt.url?eid=%s&src=s&all=true&origin=recordpage&method=ref&zone=relatedDocuments" *hydra-eid*))
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"Related by references")
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("c" (browse-url (format "http://www.scopus.com/results/citedbyresults.url?sort=plf-f&cite=%s&src=s&imp=t&sot=cite&sdt=a&sl=0&origin=recordpage" *hydra-eid*))
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"Citing articles"))
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(org-ref-link-set-parameters "eid"
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:follow (lambda (eid)
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"Opens the hydra menu."
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(setq *hydra-eid* eid)
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(scopus-hydra/body))
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:export (lambda (keyword desc format)
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(cond
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((eq format 'html)
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(format "<a href=\" http://www.scopus.com/record/display.url?eid=%s&origin=resultslist\">%s</a>" keyword (or desc keyword)))
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((eq format 'latex)
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(format "\\href{http://www.scopus.com/record/display.url?eid=%s&origin=resultslist}{%s}"
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keyword (or desc keyword))))))
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(org-ref-link-set-parameters "scopus-search"
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:follow (lambda (query)
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(scopus-basic-search query))
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:export (lambda (query desc format)
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(let ((url (format
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"http://www.scopus.com/results/results.url?sort=plf-f&src=s&sot=b&sdt=b&sl=%s&s=TITLE-ABS-KEY%%28%s%%29&origin=searchbasic"
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(length (url-unhex-string (concat "TITLE-ABS-KEY%28" (url-hexify-string query) "%29")))
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(url-hexify-string query))))
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(cond
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((eq format 'html)
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(format "<a href=\"%s\">%s</a>" url (or desc query)))
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((eq format 'latex)
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(format "\\href{%s}{%s}" url (or desc query)))))))
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(org-ref-link-set-parameters "scopus-advanced-search"
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:follow (lambda (query)
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(scopus-advanced-search query))
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:export (lambda (query desc format)
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(let ((url (format
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"http://www.scopus.com/results/results.url?sort=plf-f&src=s&sot=a&sdt=a&sl=%s&s=%s&origin=searchadvanced"
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(length (url-hexify-string query))
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(url-hexify-string query))))
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(cond
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((eq format 'html)
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(format "<a href=\"%s\">%s</a>" url (or desc query)))
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((eq format 'latex)
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(format "\\href{%s}{%s}" url (or desc query)))))))
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(org-ref-link-set-parameters "scopusid"
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:follow (lambda
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(link-string)
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(browse-url
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(format
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"http://www.scopus.com/authid/detail.url?origin=AuthorProfile&authorId=%s"
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link-string)))
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:export (lambda (keyword desc format)
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(cond
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((eq format 'latex)
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(format "\\href{http://www.scopus.com/authid/detail.url?origin=AuthorProfile&authorId=%s}{%s}"
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keyword (or desc (concat "scopusid:" keyword))))
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((eq format 'html)
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(format "<a href=\"http://www.scopus.com/authid/detail.url?origin=AuthorProfile&authorId=%s\">%s</a>"
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keyword (or desc (concat "scopusid:" keyword)))))))
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(provide 'org-ref-scopus)
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;;; org-ref-scopus.el ends here
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