Burke Library New York City Religions web archive collection derivatives

Web archive derivatives of the Burke Library New York City Religions collection from Columbia University Libraries. The derivatives were created with the Archives Unleashed Toolkit and Archives Unleashed Cloud. The <strong>cul-1945-parquet.tar.gz</strong> derivatives are in the Apache Parquet format, which is a columnar storage format. These derivatives are generally small enough to work with on your local machine, and can be easily converted to Pandas DataFrames. See this notebook for examples. <strong>Domains</strong> <pre><code class="language-java">.webpages().groupBy(ExtractDomainDF($"url").alias("url")).count().sort($"count".desc)</code></pre> Produces a DataFrame with the following columns: domain count <strong>Web Pages</strong> <pre><code class="language-java">.webpages().select($"crawl_date", $"url", $"mime_type_web_server", $"mime_type_tika", RemoveHTMLDF(RemoveHTTPHeaderDF(($"content"))).alias("content"))</code></pre> Produces a DataFrame with the following columns: crawl_date url mime_type_web_server mime_type_tika content <strong>Web Graph</strong> <pre><code class="language-java">.webgraph()</code></pre> Produces a DataFrame with the following columns: crawl_date src dest anchor <strong>Image Links</strong> <pre><code class="language-java">.imageLinks()</code></pre> Produces a DataFrame with the following columns: src image_url <strong>Binary Analysis</strong> Images PDFs Presentation program files Spreadsheets Text files Word processor files<br> The <strong>cul-1945-auk.tar.gz </strong>derivatives<strong> </strong>are the standard set of web archive derivatives produced by the Archives Unleashed Cloud. <strong>Gephi </strong>file, which can be loaded into Gephi. It will have basic characteristics already computed and a basic layout. <strong>Raw Network</strong> file, which can also be loaded into Gephi. You will have to use that network program to lay it out yourself. <strong>Full text</strong> file. In it, each website within the web archive collection will have its full text presented on one line, along with information around when it was crawled, the name of the domain, and the full URL of the content. <strong>Domains count</strong> file. A text file containing the frequency count of domains captured within your web archive.