请问如何提取IEEE `Current Issue`网页中的完整abstract？ #8571

Derekmini · 2021-11-22T14:29:23Z

Derekmini
Nov 22, 2021

您好，我想请教获取Transactions on Robotics and Automation网页中条目完整abstract的方法。

描述问题

获取条目的网页为Transactions on Robotics and Automation，已利用如下语句获取每篇文章的信息( 如 title, link, doi, author, abstract )。

const headers = {
    'Host': 'ieeexplore.ieee.org',
    'Accept': 'application/json, text/plain, */*',
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36',
    'Referer': 'https://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=' + punumber,
    'Accept-Encoding': 'gzip, deflate, br',
    'Accept-Language': 'zh-CN,zh;q=0.9',
};

const response = await got({
    method: 'post',
    url: 'https://ieeexplore.ieee.org/rest/search/pub/' + '70' + '/issue/' + '28961' + '/toc',
    headers,
    json: {
        punumber,
        isnumber,
        sortType,
        rowsPerPage: '100',
    },
}).json();

const list = response.records.map(function (item, index) {
    const title = item.articleTitle;
    const link = item.htmlLink;
    let author = 'Do not have author';
    if (item.hasOwnProperty('authors')) {
        author = item.authors.map(function (itemAuth, index) {
            return itemAuth.preferredName
        }).join('; ');
    }
    const doi = item.doi;
    let abstract = '';
    item.hasOwnProperty('abstract') ? (abstract = item.abstract) : (abstract = '');
    return {
        title,
        link,
        doi,
        author,
        abstract,
    };
});

出现问题的地方在：abstract中的内容不完整，只会显示特定长度的字符，最后会以...结尾，如下图所示：

已尝试的方法，但未实现最终效果

计划遍历每篇文章内容，从中提取完整abstract

之后，计划使用get方式访问单篇文章，从中提取完整的abstract，但是发现，完整的abstract内容在HTML的header中的第3个和第4个meta中，我使用以下代码可以获得返回的HTML，但却定位不到那个meta，请问const abstract = $("meta");应该如何修改？

get单篇文章Fuzzy supervisory control of manufacturing systems的代码如下：

let testLink = '/document/1303684/';
const itemResponse = await got({
    method: 'get',
    url: 'https://ieeexplore.ieee.org' + testLink,
    headers,
});

const $ = cheerio.load(itemResponse.data);
const abstract = $("meta");
console.log(abstract);

最后

虽然接触的时间比较长了，但没有系统地学习过这方面的知识，所以还希望您能给一些提示，能帮我打开一下思路，谢谢您的帮助！

Answered by auto-bot-ty

Nov 23, 2021

const got = require('got');
(async() => {
    const response = await got('https://ieeexplore.ieee.org/document/1303684');
    const content = response.body.match(/metadata=(.*);/)[1]
    const {abstract} =JSON.parse(content)
    console.log(abstract)
})()

View full answer

auto-bot-ty · 2021-11-23T00:59:12Z

auto-bot-ty
Nov 23, 2021

const abstract = $(".u-mb-1").eq(1).text()

1 reply

Derekmini Nov 23, 2021
Author

感谢您的回答，但是我仍旧无法获得。

可能这是您分析的内容

您是在网页中获取到元素的class，可能如下图所示：

无法`get`获得网页正文，只得到`header`部分

但是，我使用get得到的HTML却并不包含网页正文，即使按照您之前教我的方法加入cookie，也无法获得正文内容，可以说只得到了网页的header部分。

获取到的内容经过简单整理，置于本回答末尾展示，您可以搜索如下关键词句，确定描述位置。

In this paper, using the shrinkage-based approach for portfolio weights and modern results from random matrix theory we construct an effective procedure for testing the efficiency of the expected utility (EU) portfolio and discuss the asymptotic behavior of the proposed test statistic under the high-dimensional asymptotic regime,

利用`Fiddler`验证`get`不到网页正文内容

为了排除 ①cookie获取不正确；②存在尚未意识到的错误配置，我又使用Fiddler抓取了该网址，发现的确没有返回网页正文，只是返回了本回答末尾展示的内容。

虽然，没有返回正文内容，但是完整的abstract存在于下图所示的3个位置(前两个位置在第一张图片中，能和Fiddler中的内容对应上)：

问题

请问，面对这种情况，如何才能定位、抓取到完整的abstract？

HTML

<!DOCTYPE html>

<script type="text/javascript">

var home = {	
			metadata:{
				searchCount: '5,477,555',
				logoRelPath: '/customer_logos',
				thirdParthAuth: false,
				currentPage:  'document',
				xploreVirtual:'https://ieeexplore.ieee.org',
				isWebAccount: false,
				isProvisioned: false,
				globalNotification:{},
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						count: 0
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		<title>Statistical Inference for the Expected Utility Portfolio in High Dimensions | IEEE Journals &amp; Magazine | IEEE Xplore</title>
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			<meta property="twitter:description" content="In this paper, using the shrinkage-based approach for portfolio weights and modern results from random matrix theory we construct an effective procedure for testing the efficiency of the expected utility (EU) portfolio and discuss the asymptotic behavior of the proposed test statistic under the high-dimensional asymptotic regime, namely when the number of assets p increases at the same rate as the sample size n such that their ratio p/n approaches a positive constant c ∈ (0, 1) as n → ∞. We provide an extensive simulation study where the power function and receiver operating characteristic curves of the test are analyzed. In the empirical study, the methodology is applied to the returns of S&amp;P 500 constituents." />
			<meta property="og:description" content="In this paper, using the shrinkage-based approach for portfolio weights and modern results from random matrix theory we construct an effective procedure for testing the efficiency of the expected utility (EU) portfolio and discuss the asymptotic behavior of the proposed test statistic under the high-dimensional asymptotic regime, namely when the number of assets p increases at the same rate as the sample size n such that their ratio p/n approaches a positive constant c ∈ (0, 1) as n → ∞. We provide an extensive simulation study where the power function and receiver operating characteristic curves of the test are analyzed. In the empirical study, the methodology is applied to the returns of S&amp;P 500 constituents." />
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He is Professor of mathematical statistics with the Department of Mathematics, the Stockholm University, Stockholm, Sweden. From March 2005 to August 2012, he was a Research Associate with the Department of Statistics, European University Viadrina, Frankfurt (Oder), Germany. From September 2012 to November 2014, he was a Research Associate with the Department of Mathematics, Humboldt-University of Berlin, Berlin, Germany. He is a Member of the Editorial Boards of Journal of Multivariate Analysis and Theory of Probability and Mathematical Statistics. His research interests include high-dimensional statistics, random matrix theory, Bayesian statistics, statistical methods in finance among others. In November 2008, he was the recipient of the Young Scientists Award of the Brandenburg state for an outstanding work in the Humanities or Social Sciences."]},"firstName":"Taras","lastName":"Bodnar","orcid":"0000-0001-7855-8221","id":"37086936286"},{"name":"Solomiia Dmytriv","affiliation":["Department of Statistics and Operations Research, University of Vienna, Vienna, Austria"],"bio":{"graphic":"/mediastore_new/IEEE/content/freeimages/78/9307529/9258421/dmytr-3037369-small.gif","p":["Solomiia Dmytriv received the B.Sc. degree in mathematics and the M.Sc. degree in statistics from the Ivan Franko National University of Lviv, Lviv, Ukraine, in 2013 and 2014 respectively, and the Ph.D. degree in economics and statistics from the European University Viadrina, Frankfurt (Oder), Germany in 2020. Since August 2020, she has been a Postdoctoral Researcher with the Department of Statistics and Operations Research, the University of Vienna, Vienna, Austria. 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From March 2000 to March 2008, he was a Research Associate with the Department of Statistics, European University Viadrina, Frankfurt (Oder), Germany. His current research interests cover financial econometrics, dependence modelling, analysis of image, network and environmental data. He is an Editor-in-Chief of Advances in Statistical Analysis and was the Vice-President of the German Statistical Society from 2012to 2020."]},"firstName":"Yarema","lastName":"Okhrin","orcid":"0000-0003-4704-5233","id":"37088572604"},{"name":"Nestor Parolya","affiliation":["Delft Institute of Applied Mathematics, Delft University of Technology, The Netherlands"],"bio":{"graphic":"/mediastore_new/IEEE/content/freeimages/78/9307529/9258421/parol-3037369-small.gif","p":["Nestor Parolya received the B.S. and M.S. degrees in mathematics and statistics (both with Hons.) from the Ivan Franko National University of Lviv, Ukraine, in 2009 and 2010, respectively, and the Ph.D. degree in economics/statistics (summa cum laude) from the European University Viadrina, Frankfurt (Oder), Germany. From September 2013 to April 2014, he was doing his Postdoctoral research with the Department of Statistics and Econometrics, Ruhr-University Bochum, and thereafter during 2014–2019 was appointed as an Assistant Professor (non-tenured) for financial econometrics with Institute of Statistics, Leibniz University Hannover. Since April 2019, he has been an Assistant Professor of statistics (tenure track) with the Delft Institute of Applied Mathematics, Delft University of Technology, the Netherlands. His research interests include high-dimensional statistics, large dimensional random matrix theory, statistical/mathematical finance, financial engineering and operations research."]},"firstName":"Nestor","lastName":"Parolya","orcid":"0000-0003-2147-2288","id":"37086935630"},{"name":"Wolfgang Schmid","affiliation":["Department of Statistics, European University Viadrina, Frankfurt (Oder), Germany"],"bio":{"graphic":"/mediastore_new/IEEE/content/freeimages/78/9307529/9258421/schmi-3037369-small.gif","p":["Wolfgang Schmid received the M.S., Ph.D. and Habilitation degrees in mathematics from the University of Ulm, Germany, in 1982, 1984, and 1991, respectively. Since 1995, he has been a Full Professor in Statistics with the European University Viadrina in Frankfurt (Oder), Germany. At the moment, his main research activities are in statistical analysis of financial markets, statistical process control, and statistical analysis of environmental processes. He is the author of more than 150 publications, Joint Editor of the books Frontiers in Statistical Quality Control Vol. 9 Vol. 12 and primary supervisor of 25 dissertations. Dr. Schmid is a Member of the Editorial Board of AStA Advances in Statistical Analysis and of the Journal of Multivariate Analysis and an Associate Editor of the journal Sequential Analysis. 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	<script type="text/javascript" src="https://www.ieee.org/ieee-mashup/js/common/jquery.ba-jqmq-min.js"></script>
	<script type="text/javaScript" src="https://www.ieee.org/ieee-mashup/js/minicart/ieee-minicart-include-min.js"> </script>
	<!--End Optional Configuration-->
<!-- Removed due to network issues when loading in China -->
<!-- <script type="text/javascript" src="http://s7.addthis.com/js/250/addthis_widget.js#pubid=ra-5005a435228f9245" async="async"></script>-->
<!-- Load Mathjax and process the document for Mathjax characters -->
<!-- <script type="text/javascript" src="/xploreAssets/MathJax-274/MathJax.js?config=default"></script> -->
<script defer>
	MathJax.Hub.Queue(["Typeset", MathJax.Hub, document.body]);
</script>
					</div>
				</div>
			</div>
				<script>
					// set $ alias back to jQuery because noConflict mode is used in legacy pages
					window.$ = jQuery;
				</script>
		</div><!-- /#LayoutWrapper -->
	</body>
</html>

auto-bot-ty · 2021-11-23T11:29:29Z

auto-bot-ty
Nov 23, 2021

const got = require('got');
(async() => {
    const response = await got('https://ieeexplore.ieee.org/document/1303684');
    const content = response.body.match(/metadata=(.*);/)[1]
    const {abstract} =JSON.parse(content)
    console.log(abstract)
})()

2 replies

Derekmini Nov 23, 2021
Author

感谢，非常有效！再次感谢您的帮助！

Derekmini Nov 23, 2021
Author

感谢您的帮助，路由已经写好，待之前pr合并后，会提交该路由。

在此以及说明文档中声明您的帮助！感谢感谢！

'/:journal/latest/date/:sortType?': ['Derekmini','auto-bot-ty'],
'/:journal/latest/vol/:sortType?': ['Derekmini','auto-bot-ty'],

auto-bot-ty · 2021-11-23T13:19:23Z

auto-bot-ty
Nov 23, 2021

分支开发，可以提交多个PR

…

---原始邮件--- 发件人: ***@***.***> 发送时间: 2021年11月23日(周二) 晚上9:08 收件人: ***@***.***>; 抄送: ***@***.******@***.***>; 主题: Re: [DIYgod/RSSHub] 请问如何提取IEEE `Current Issue`网页中的完整abstract？ (Discussion #8571) 感谢您的帮助，路由已经写好，待之前pr合并后，会提交该路由。在此以及说明文档中声明您的帮助！感谢感谢！ '/:journal/latest/date/:sortType?': ['Derekmini','auto-bot-ty'], '/:journal/latest/vol/:sortType?': ['Derekmini','auto-bot-ty'], — You are receiving this because you commented. Reply to this email directly, view it on GitHub, or unsubscribe.

2 replies

Derekmini Nov 24, 2021
Author

对哈！OK，因为用到了html，我添加好art模板就去提交。谢谢提醒！

Derekmini Nov 26, 2021
Author

目前已经提交所有pr，为了表达谢意，已将您添加到作者列表，再次感谢！

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请问如何提取IEEE Current Issue网页中的完整abstract？ #8571

Derekmini Nov 22, 2021

描述问题

已尝试的方法，但未实现最终效果

计划遍历每篇文章内容，从中提取完整abstract

最后

Replies: 3 comments · 5 replies

auto-bot-ty Nov 23, 2021

Derekmini Nov 23, 2021 Author

可能这是您分析的内容

无法get获得网页正文，只得到header部分

利用Fiddler验证get不到网页正文内容

问题

auto-bot-ty Nov 23, 2021

Derekmini Nov 23, 2021 Author

Derekmini Nov 23, 2021 Author

auto-bot-ty Nov 23, 2021

Derekmini Nov 24, 2021 Author

Derekmini Nov 26, 2021 Author

请问如何提取IEEE `Current Issue`网页中的完整abstract？ #8571

Derekmini
Nov 22, 2021

Replies: 3 comments 5 replies

auto-bot-ty
Nov 23, 2021

Derekmini Nov 23, 2021
Author

无法`get`获得网页正文，只得到`header`部分

利用`Fiddler`验证`get`不到网页正文内容

auto-bot-ty
Nov 23, 2021

Derekmini Nov 23, 2021
Author

Derekmini Nov 23, 2021
Author

auto-bot-ty
Nov 23, 2021

Derekmini Nov 24, 2021
Author

Derekmini Nov 26, 2021
Author