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system recorded. In cases where no information was found, a value of "-" |
was recorded. |
- pages: number of pages in the pdf document, according to information extracted with |
Apache Tika. |
- page_width: a value that represents the horizontal axis of the document's page size. As a part of the Apache Tika analysis, the first page of each PDF was saved as an image with 72 DPI. The image was then run through Tika to derive width and height in pixels. |
- page_height: a value that represents the vertical axis of the document's page size. as a part of the Apache Tika analysis, the first page of each PDF was saved as an image with 72 DPI. The image was then run through Tika to derive width and height in pixels. |
- surface_area: a value that represents the area of the document's page size. As a part of the Apache Tika analysis, the first page of each PDF was saved as an image with 72 DPI. The image was then run through Tika to derive width and height in pixels. This field represents the width divided by the dots per inch (72) times the height divided by the dots per inch, e.g., (612 / 72) * (792 / 72) = 94. |
- file_size: the size of the web object, in bytes, derived from additional processing methods used in conjunction with Apache Tika. |
- sha256: a unique cryptographic hash of the downloaded web object, computed using the SHA256 function from the SHA-2 algorithm. It serves as a checksum for the downloaded web object and was created during the bagit process. |
- sha512: a unique cryptographic hash of the downloaded web object, computed using the SHA512 function from the SHA-2 algorithm. It serves as a checksum for the downloaded web object and was created during the bagit process. |
V. Rights Statement |
This dataset was derived from content in the Library鈥檚 web archives. The Library follows a notification and permission process in the acquisition of content for the web archives, and to allow researcher access to the archived content, as described on the web archiving program page, https://www.loc.gov/programs/web-archiving/about-this-program/. Files were extracted from a variety of archived United States government websites collected in a number of event and thematic archives. See a representative Rights & Access statement for a sample collection which applies to all of the content in this dataset: https://www.loc.gov/collections/legislative-branch-web-archive/about-this-collection/rights-and-access/. |
VI. Creator and Contributor Information |
Creator: Chase Dooley |
Contributors: Jesse Johnston, Aly DesRochers, Grace Thomas, Abbie Grotke |
VII. Contact Information |
Please direct all questions and comments to [email protected]. |