Classification Web Plus “Minaret” Subscription, Hosting, and Support
Closed Pre-Solicitation Posted
- Solicitation number
- 2026-CDS-0003
- Agency
-
Library of Congress
- Responses due
- Set-aside
- No set-aside
Opportunity facts
- NAICS code
- 513210 Software Publishers
- Place of performance
- Washington, District of Columbia 20540, United States
- Points of contact
Notice details come from SAM.gov. Updated .
About this opportunity
The Library of Congress is conducting market research through this Sources Sought notice to identify potential contractors for ongoing support of Classification Web Plus ("Class Web"), a web-based subscription service providing online access to Library of Congress Classification schedules and Subject Headings. The procuring agency seeks vendors capable of operating, maintaining, and hosting this production system while ensuring 99.95% availability throughout the year. Key requirements include routine maintenance activities such as licensing, patching, software updates, and system backups; cloud hosting with SOC1 or SOC2 certified providers; automated monitoring with immediate notification of service interruptions; bug fixes and customer support within specified service level agreements; and quarterly status meetings. The Library anticipates awarding a Firm Fixed Price contract, though it reserves the right to pursue alternative contract types based on market research results. This Sources Sought notice is for planning purposes only and does not constitute a formal request for proposal; interested parties should respond by February 27, 2026, and monitor SAM.gov for any future solicitation.
This opportunity carries no set-aside designation and does not currently identify any incumbent contractor or specific award value. The Statement of Work indicates the contractor must provide a dedicated Project Manager with at least three years of experience managing Minaret software, available during standard business hours Monday through Friday, with an alternate designated for continuity. All system programming and content created for Classification Web becomes the sole property of the Library of Congress, though modifications to the Minaret software remain the property of Minaret Corporation. The contractor must implement Library of Congress computer security procedures within three months, deliver monthly reporting beginning on the fifth business day of each month, and develop a transition plan within one month should the system be replaced. Responses to this Sources Sought are treated as information only and will not constitute binding proposals, with all response costs borne solely by interested parties.
Notice text
SOURCES SOUGHT
THE LIBRARY OF CONGRESS
Classification Web Plus “Minaret” Subscription, Hosting, and Support
1 Introduction
THIS IS A SOURCES SOUGHT (SS) ONLY. This SS is issued solely for information and planning purposes – it does not constitute a request for proposal (RFP) or a promise to issue an RFP in the future. This SS does not commit the U.S. Government to contract for any supply or service whatsoever. Further, the Library of Congress (“The Library”) is not at this time seeking proposals and will not accept unsolicited proposals. Respondents are advised that the Government will not pay for any information or administrative costs incurred in response to this SS; all costs associated with responding to this SS will be solely at the interested party’s expense. Not responding to this SS does not preclude participation in any future RFP, if any is issued. If a solicitation is released, it may be synopsized on the SAM.gov website. It is the responsibility of the potential offerors to monitor this site for additional information pertaining to this requirement.
Although "proposal" and "offeror" may be used in this SS, your response will be treated as information only. It shall not be used as a proposal. Information submitted in response to this notice will be for Library planning purposes and may be used as a basis for a future solicitation and/or as a basis for more in-depth research of an interested offeror's capability.
The Library anticipates solicitation and award of a Firm Fixed Price (FFP) contract, but reserves the right to solicit and award a different contract type if the results of this market research indicate that an alternate solicitation approach can more effectively fulfill future requirements.
2 Background
The Library of Congress has a requirement for support for on-going production and modernization of its web-based, subscription service, Classification Web Plus (“Class Web”) which provides online access to the Library of Congress Classification (LCC) schedules and the Library of Congress Subject Heading (LCSH). The Library is posting this sources sought to determine if another system can replace Minaret and its support services detailed below.
Classification Web Plus (“Class Web”), located at https://classweb.org, is a searchable and input- update proprietary database consisting primarily of the LCC schedules and LCSH but also contains Name Authorities, specialized genre terms, LC bibliographic records, Library of Congress documentation, and specially designed search options (e.g. Correlations Search) that help maximize the online searching capabilities for these resources. Class Web’s objective is to help library professionals quickly find the subject heading and classification schedule information they need to create bibliographic metadata for incoming library resources, as well as provide a resource for Library of Congress produced cataloging documentation. Additional information about Class Web is available on the LC website at: http://www.loc.gov/cds/classweb/classwebfeatures.html.
The internal system (input-update database) of Classification Web, known as LCC Online, (sometimes referred to as “Minaret”) contains the proposal system where authorized staff organize and edit new classification and subject heading proposals that are submitted by member libraries as well as Library of Congress staff.Class Web’s target audience is library staff working in cataloging areas of libraries and cataloging institutions around the world, although reference librarians are also Class Web users.Class Web has over 2,400 subscriber accounts which can vary from solo user all the way up to concurrent users of 95-99.
The Library requires a contractor to provide hosting, operation, and maintenance of the existing Class Web system (including LCC Online) and enhancement to leverage evolving search, web technologies, and hosting solutions to optimize Classification Web’s usefulness to the end user. Class Web is built on a proprietary database that is a product of Minaret. The library owns the source code of Class Web, but any other contractor would need to license a copy of the proprietary database from Minaret to operate and maintain the existing Class Web. A contractor may have to design and build their own system on their own database, including all the customizations of the existing system (in order to satisfy our needs at the library and from customers), from scratch, using whatever database technology available.
The current system includes:
- Class Web Operation and Maintenance Support on Minaret’s proprietary database
- Class Web Components
- Proposal system
- Service Levels/Specifications
- Availability
- Bug fixing and customer support
- System Maintenance
- System Monitoring
- Contractor and Staff Recommended Enhancements
- Classification Web Hosting
- Project Management
- Intellectual Property Rights
- Security
- Transition Plan
- Support
- Consultation
3 INFORMATION REQUESTED
3.1 Part 1. Business Information
1. Name and address of organization, Unique Entity Identifier (UEI) Number, Organization Point of Contact with phone number and email address.
2. Product Name & a brief description of the computer software capabilities demonstrating the above qualities and those addressed in the draft SOW attached.
3.2 Additional Instructions
1. Page Limitations: The total page limitation for responses should not exceed 15 pages
2. SS Schedule:
a. SS Responses Due – 2/27/2026 no later than 4:00PM EST.
Files
| File | Type | Posted |
|---|---|---|
| SOW - Minaret Licesnses -Clean.docx | DOCX document |
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