Json

Overview Dydra is an excellent cloud-based RDF triple store, but in some cases its JSON-LD serialization may produce output that differs from expectations. This blog post explains the observed behavior and the workaround we implemented. Observed Behavior Expected Output In the JSON-LD specification, URI references are commonly output in object form as follows: { } " " " } " } @ @ p , p i t r " r " d y o @ o @ " p v i v i : e : d : d " w " w " " : a : a : h s s t [ A " G " t " t h e h p p t t n t s r r t e t : i p r p b s a s / : u : t : e E t / e / x n e / d / a t d s B s m i T e y e p t o p " p l y " o : o e " : l l . ] i { i c , { a a o . . m e e / t t i h h t e e e r r m s s / c c 1 a a " n n , . . i i o o / / a t d x d / r 0 e x s a s b / c 0 d x . 1 . 2 . 3 " 4 . . . " Output Observed in Dydra In Dydra’s JSON-LD endpoint, some URI references were observed to be output as plain strings: ...

概要 I had the opportunity to test IIIF Authentication API 2.0, so here are my notes. https://iiif.io/api/auth/2.0/ I created the following demo site. https://iiif-auth-nextjs.vercel.app/ja The repository is as follows. https://github.com/nakamura196/iiif-auth-nextjs Below is an AI-generated explanation. Note that I was unable to get it working properly with Mirador, which remains a future task. 概要 This article provides a detailed explanation of the IIIF Authentication API 2.0 authentication flow at the level of actual HTTP requests/responses. We will trace what requests are sent and what responses are returned at each step. ...

Overview This is a memo on how to apply filters to created and changed fields in Drupal’s JSON:API. Background The following was used as a reference. https://www.drupal.org/docs/core-modules-and-themes/core-modules/jsonapi-module/filtering For example, when trying to filter only items updated on or after June 2, the following query did not work correctly. ?filter[a-label][condition][path]=changed&filter[a-label][condition][operator]=%3E%3D&filter[a-label][condition][value]=2025-06-02 Correct Method The following article was helpful. https://www.reddit.com/r/drupal/comments/1bdvu61/json_api_drupal_filter_on_date/ Note that timestamp fields (like created or changed) currently must use a timestamp for filtering: ...

Overview I had the opportunity to use the “JSON Field” module for handling JSON format fields in Drupal, so this is a personal note for future reference. https://www.drupal.org/project/json_field As a result, JSON can now be handled together with an editor as shown below. Installation Download it with the following commands. c d o r m u p s o h s e e r n r j e s q o u n i _ r f e i e ' l d d r u p a l / j s o n _ f i e l d : ^ 1 . 4 ' Furthermore, enable the widget as well with the following. ...

Overview I developed a viewer for DTS (Distributed Text Services), so this is a memo about it. You can try it at the following URL. https://dts-viewer.vercel.app/ja/ Background The official page for DTS (Distributed Text Services) is below. https://distributed-text-services.github.io/specifications/ I also covered it in the following article. This time, I developed a viewer that partially conforms to this DTS specification. Usage The following is the top page. Enter a DTS URL in the form. Examples are provided at the bottom of the page. Technically, it uses the Entry point. ...

Overview The New York Public Library provides a Digital Collections API. http://api.repo.nypl.org/ This article explains an example of how to use this API. Sign Up First, click the following link to sign up. A form like the following will be displayed, so enter the required information. After entering your information, you will receive an email with the subject Welcome to NYPL API. This email contains the Authentication Token. ...