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CDC Stacks Public Health Publications
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What can we help you with?

What is CDC Stacks Library?

The CDC Stacks Library is a digital archive of scientific research and literature produced by the Centers for Disease Control and Prevention (CDC). It provides free online access to a vast collection of scientific research and literature produced by the CDC. The archive includes current research as well as historical documents, such as the first 30 volumes of the Morbidity and Mortality Weekly Report (MMWR).

What Are the Steps to Add a New Item to the CDC Stacks Library?

Before You Begin

Ensure that the publication you want to add to the library has been authored by at least one CDC employee, including contractors, or is funded by the CDC. Also, please search Stacks to ensure that the item is not already preserved in the repository. You may wish to use the Advanced Search feature, as it allows you to fine tune your search.

Steps

  1. Email Request: Send an email request to publishinghd@cdc.gov
  2. Receive Submission Template:A library member will respond with a submission ingest template for you to fill out.
  3. Complete Template:Fill out the template with as much information as possible and send it back to publishinghd@cdc.gov for processing.
    The Following fields are REQUIRED for an item to be added to CDC Stacks:
    • Title
    • Description
    • Subject
    • Corporate Author
    • Published Date
    • Main Document URLs (or attach documents, or documents path to the email request) Example: https://www.cdc.gov/nchs/data/nvsr/nvsr73/nvsr73-05.pdf or \\cdc.gov\project\NCHS_File_Share\NewJobRequest\datarequest

      NOTE:-Completing non-mandatory fields is crucial for the discoverability of your content.

  4. Submit Template: Send the completed template and the publication’s Main Document URL or Document Path to the CDC Stacks Helpdesk at publishinghd@cdc.gov.
  5. Processing Time: Allow 10 business days for your publication to be added to Stacks.
  6. Notification: You will receive a notification once your request is completed.


Where can I find information on 508 Compliance?

As noted on the U.S. Department of Health and Human Services Digital Accessibility page, "As a Department of the federal government, we are required to abide by the Section 508 legislation. Section 508 of the Rehabilitation Act of 1973, codified at section 29 USC 794d, as amended, ensures those with disabilities have equal access to government information as contained on information and communications technology (ICT), and thereby to the government employment, programs and services to which all citizens are entitled."

To be more specific, all public facing electronic documents published after March 23, 2018, must be accessible according to the Information and Communication Technology (ICT) Standards and Guidelines 83 FR 2912 Final Rule as published in the Federal Register https://www.federalregister.gov/documents/2017/01/18/2017-00395/information-and-communication-technology-ict-standards-and-guidelines

You can find more information on Section 508 Compliance at the following links:

HHS Accessibility & Section 508 | HHS.gov
Home | Section508.gov
U.S. Access Board Information and Communication Technology page

How do I request assignment of a Digital Object Identifier (DOI) for my materials?

To assign a DOI to your publication, follow these steps:
1. Contact Your Publisher:Most publishers provide DOIs upon publication.
2. Request from CDC Stacks: If your publisher does not provide DOIs, CDC Stacks can generate one for you through Crossref. Send a request to publishinghd@cdc.gov.

What Types of Materials Accepted in the CDC Stacks Library?

Any publication authored by one or more CDC employees (including contractors) or funded by the CDC can be added, provided it is Section 508 compliant. Exceptions are made for archival and historical materials, but a 508 compliant version must be provided upon request. The following file types are not accepted: .html, .htm, or exe.

What is a Collection?

A Collection in the CDC Stacks Library refers to items that address a shared topic. Searching within a collection helps narrow your search.

Who are Authorized Users of the CDC Stacks Repository?

The repository is available indefinitely for public health professionals, researchers, and the public, providing free access.

What Documents are Listed in the "Recent Additions" Area of the Site?

The “Recent Additions” section lists documents newly added to the repository within the last 30 days.

Why must I wait to download the articles on the "Coming Soon" page?

These journal articles have been placed under a Public Access Embargo. This is the period in which access to academic journals is not allowed to users who have not paid for access (or have access through their institution).
The CDC Public Access to Publications Policy was developed to ensure that these journal articles may be made freely available to the public.

How often is the home page updated?

The spotlight highlights and quick links are added and updated by the agency catalogers based on the agency's need and timelines.

Can I sort my Search Results?

Search results within a collection can be sorted by Relevance, Last Modified Date, Title, and Published Date.

Search Sort

What determines the order of items of how items are returned from search?
Relevancy is the quality of results returned from a query, encompassing
both what documents are found, and their relative ranking (the order that they are returned to the
user.)

How are documents scored ?

Here is the link if anyone would like to know exact mathematical formulas used behind
calculating score.

Mathematical formulas used behind calculating score

By default, a "TF-IDF" based Scoring Model is used. The basic scoring factors:

  • TF stands for term frequency - the more times a search term appears in a document, the
    higher the score
  • IDF stands for inverse document frequency - matches on rarer terms count more than matches
    on common terms
  • coord is the coordination factor - if there are multiple terms in a query, the more terms
    that match, the higher the score
  • lengthNorm - matches on a smaller field score higher than matches on a larger field
  • index-time boost - if a boost was specified for a document at index time, scores for
    searches that match that document will be boosted.
  • query clause boost - a user may explicitly boost the contribution of one part of a query
    over another.
Stacks uses boost at query time on following metadata fields
  • mods.title^10
  • mods.ss_doi^10
  • mods.sm_localCorpName^10
  • mods.grants^10
  • mods.name_personal^5
  • mods.name_corporate^5
  • mods.name_conference^5
  • mods.subject_topic^3
  • mods.genre^3
  • mods.abstract^2
  • content^2
  • mods.publisher_url ^2
  • mods.related_original ^2

Doing an explicit sort in the SOLR query will ignore the relevancy scores.

What is a facet?

A facet allows you to narrow your Search based on pre-defined topic categories.

Search Sort

How can I suggest another facet to be added to the site?

You can email us at publishinghd@cdc.gov.

What is the small "i" icon located within the site?

The small "i" icon is a tooltip. When you hover your cursor over the icon, additional information is displayed to help explain that section of the site.

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