271 Matching Annotations
  1. Last 7 days
  2. Jan 2023
    1. console $ curl -LH "Accept: application/vnd.schemaorg.ld+json" https://doi.org/10.5438/4K3M-NYVG { "@context": "http://schema.org", "@type": "ScholarlyArticle", "@id": "https://doi.org/10.5438/4k3m-nyvg", "url": "https://blog.datacite.org/eating-your-own-dog-food/", "additionalType": "BlogPosting", "name": "Eating your own Dog Food", "author": { "name": "Martin Fenner", "givenName": "Martin", "familyName": "Fenner", "@id": "https://orcid.org/0000-0003-1419-2405" }, "description": "Eating your own dog food is a slang term to describe that an organization should itself use the products and services it provides. For DataCite this means that we should use DOIs with appropriate metadata and strategies for long-term preservation for...", "license": "https://creativecommons.org/licenses/by/4.0/legalcode", "version": "1.0", "keywords": "datacite, doi, metadata, FOS: Computer and information sciences", "inLanguage": "en", "dateCreated": "2016-12-20", "datePublished": "2016-12-20", "dateModified": "2016-12-20", "isPartOf": { "@id": "https://doi.org/10.5438/0000-00ss", "@type": "CreativeWork" }, "citation": [ { "@id": "https://doi.org/10.5438/0012", "@type": "CreativeWork" }, { "@id": "https://doi.org/10.5438/55e5-t5c0", "@type": "CreativeWork" } ], "schemaVersion": "http://datacite.org/schema/kernel-4", "periodical": { "@type": "Series", "identifier": "10.5438/0000-00SS", "identifierType": "DOI" }, "publisher": { "@type": "Organization", "name": "DataCite" }, "provider": { "@type": "Organization", "name": "datacite" } }

    1. The usefulness of JSON is that while both systems still need to agree on a custom protocol, it gives you an implementation for half of that custom protocol - ubiquitous libraries to parse and generate the format, so the application needs only to handle the semantics of a particular field.

      To be clear: when PeterisP says parse the format, they really mean lex the format (and do some minimal checks concerning e.g. balanced parentheses). To "handle the semantics of a particular field" is a parsing concern.

  3. Dec 2022
    1. If you want to see what an activity stream looks like, and your browser renders JSON nicely, just grab a random outbox and have a look.)

      https://botsin.space/users/grigornaregatsi/outbox?page=true

    1. Of course, CSV is less flexible than JSON. It's suitable when you have a list of items with mostly the same properties, and no nested structures.
    2. At 100,000 entries, this list would be 2.4 MB (that's ~63% less than the JSON)
    3. CSV is a format that's more lightweight than JSON and super well suited to streaming.
    4. Those methods will wait until the entire response has been downloaded, and then parse it. That's because JSON is not a streaming format

      To consume JSON in a streaming way, use jq

    5. JSON is ubiquitous, more lightweight than XML but still flexible enough to represent any data structure you typically need
    1. To summarize the three options we’ve seen, as well as a streaming ijson-based solution:

      Comparison of 4 Python's JSON libraries

    1. https://micro.blog/posts/search?q=indieweb

      an alternate form for micro.blog search functionality

  4. Nov 2022
    1. The @id keyword allows you to give a node a URI. This URI identifies the node. See Node Identifiers in the JSON-LD spec. (The equivalent in Microdata is the itemid attribute, and the equivalent in RDFa Lite is the resource attribute.)
  5. Oct 2022
  6. Sep 2022
    1. pointer: type: string description: A string containing a JSON pointer to the specific field within a received JSON body that caused the problem, e.g. '/data/attributes/title' to refer to the `title` property within the `attributes` object that is a child of the top level `data` object. example: /data/attributes/title
    1. A workaround you can use is to move additionalProperties to the extending schema and redeclare the properties from the extended schema.
    2. Because additionalProperties only recognizes properties declared in the same subschema, it considers anything other than “street_address”, “city”, and “state” to be additional. Combining the schemas with allOf doesn’t change that.
    3. It’s important to note that additionalProperties only recognizes properties declared in the same subschema as itself. So, additionalProperties can restrict you from “extending” a schema using Schema Composition keywords such as allOf. In the following example, we can see how the additionalProperties can cause attempts to extend the address schema example to fail.
    1. In your scenario, which many, many people encounter, you expect that properties defined in schema1 will be known to schema2; but this is not the case and will never be.
    2. When you do: "allOf": [ { "schema1": "here" }, { "schema2": "here" } ] schema1 and schema2 have no knowledge of one another; they are evaluated in their own context.
    3. I'm not sure if there's a reason why additionalProperties only looks at the sibling-level when checking allowed properties but IMHO this should be changed.
    4. It's unfortunate that additionalProperties only takes the immediate, sibling-level properties into account
    5. additionalProperties applies to all properties that are not accounted-for by properties or patternProperties in the immediate schema.

      annotation meta: may need new tag: applies to siblings only or applies to same level only

    6. additionalProperties here applies to all properties, because there is no sibling-level properties entry - the one inside allOf does not count.
    7. You have stumbled upon the most common problem in JSON Schema, that is, its fundamental inability to do inheritance as users expect; but at the same time it is one of its core features.
    1. unevaluatedProperties is like additionalProperties, except that it can "see through" $ref and "see inside" allOf, anyOf, oneOf, if, then, else
    2. I think the answer lies here: Cant see into oneOf or allOf etc. This, I think, is the distinguishing difference between additionalProperties and unevaluatedProperties.
    3. However, unevaluatedProperties has dynamic behavior, meaning that the set of properties to which it applies cannot be determined from static analysis of the schema (either the immediate schema object or any subschemas of that object).

      annotation meta: may need new tag:

      dynamic behavior vs. static analysis [not quite parallel]

      or can we reuse something else like?: lexical semantics vs. run-time semantics

    4. unevaluatedProperties is similar to additionalProperties in that it has a single subschema, and it applies that subschema to instance properties that are not a member of some set.
    1. The latest (draft 2020-12) version of JSON Schema supports the unevaluatedProperties vocabulary (see here). This is quite a useful feature, and facilitates stricter validation while composing properties from multiple sub-schemas (using e.g. allOf) than would otherwise possible.
    2. OAS 3.1 uses all of JSON Schema draft 2020-12 including unevaluatedProperties. You won't find direct references to unevealuatedProperties in the OAS spec because it links to the JSON Schema spec instead of duplicating it's contents.
    1. JSON Schema allows for additionalProperties both a boolean or an object value. true is interpreted as "additional properties follow no restrictions", false means "no additional restrictions", and an object is interpreted as a JSON schema applied to the property values (the empty object is thus equivalent to true).
  7. Aug 2022
    1. 05:03 Linking Zotero to Obsidian

      https://www.youtube.com/watch?v=D9ivU_IKO6M Zotero管理论文的,不知道网页文章能否,如果可以,那么通过notion自制的信息管理系统就像是重复造轮子。看来我一直在重复重复造轮子···唉,metadata自动生成的json文件与ob进行一种链接。

  8. Jul 2022
    1. When you see a job post mentioning REST or a company discussing REST Guidelines they will rarely mention either hypertext or hypermedia: they will instead mention JSON, GraphQL(!) and the like.
  9. Jun 2022
    1. The creator of GraphQL admits this. During his presentation on the library at a Facebook internal conference, an audience member asked him about the difference between GraphQL and SOAP. His response: SOAP requires XML. GraphQL defaults to JSON—though you can use XML.
    2. Conclusion There are decades of history and a broad cast of characters behind the web requests you know and love—as well as the ones that you might have never heard of. Information first traveled across the internet in 1969, followed by a lot of research in the ’70s, then private networks in the ’80s, then public networks in the ’90s. We got CORBA in 1991, followed by SOAP in 1999, followed by REST around 2003. GraphQL reimagined SOAP, but with JSON, around 2015. This all sounds like a history class fact sheet, but it’s valuable context for building our own web apps.
  10. May 2022
    1. json { "success": true, "message": "User logged in successfully", "data": { "user": { "id": 2, "name": "Client", "client_id": 1, "email": "client@clickapps.co", "gender_label": null, "gender": null, "mobile": "123654789", "code_country": "00967", "birth_date": null, "avatar": "http://localhost:3000/default_image.png", "sms_notification": true, "is_mobile_verified": false, "otp": { "otp": "8704" }, "client_city": { "id": 3, "name_ar": "الرياض", "name_en": "Riadh", "name": "Riadh", "status": 1, "status_label": "Active", "country": { "id": 2, "name": "Kingdub saudi Arab", "code_country": "ksa", "avatar": "http://localhost:3000/default_image.png", "status": 1, "status_label": "Active" } }, "client_locations": [ { "id": 1, "client_id": 1, "latitude": "0.0", "longitude": "0.0", "address": "169 Rath Rapids", "address_ar": "964 Michale Parkway", "address_en": "169 Rath Rapids", "building_name": "building_name", "location_type": 1, "location_type_label": "Home", "apartment_name": null, "require_permission": false, "city": null, "zip_code": null } ] }, "role": "client", "token": "eyJhbGciOiJIUzI1NiJ9.eyJpZCI6MiwibmFtZSI6IkNsaWVudCIsImVtYWlsIjoiY2xpZW50QGNsaWNrYXBwcy5jbyIsIm1vYmlsZSI6IjEyMzY1NDc4OSIsImltYWdlIjoiL2RlZmF1bHRfaW1hZ2UucG5nIiwiYWRtaW4iOmZhbHNlLCJpYXQiOjE1NDc5MjU0MzIsImV4cCI6MTU1MDUxNzQzMn0.4Vyjd7BG7v8AFSmGKmIs4VM2FBw3gOLn97Qdf6U4jxU" } }

    1. ``` HTTP/1.1 200 OK Content-Type: application/ld+json Link: http://api.example.com/doc/; rel="http://www.w3.org/ns/hydra/core#apiDocumentation"

      { "@context": "http://www.w3.org/ns/hydra/context.jsonld", "@graph": [{ "@id": "http://api.example.com/people", "@type": "hydra:Collection", "api:personByName": "api:PersonByNameTemplate" }, { "@id": "http://api.example.com/events", "@type": "hydra:Collection", "api:eventByName": "api:EventByNameTemplate" } } ```

    1. The GS1 Web Vocabulary collects terms defined in various GS1 standards and data systems and made available for general use following Linked Data principles. It is designed as an extension to schema.org and, where relevant, mappings and relationships arising from that vocabulary are made explicit. The initial focus of the GS1 Web Vocabulary is consumer-facing properties for clothing, shoes, food beverage/tobacco and properties common to all products.
    1. ```html

      <script type="application/ld+json"> { "@context": "https://schema.org", "@type": ["MathSolver", "LearningResource"], "name": "An awesome math solver", "url": "https://www.mathdomain.com/", "usageInfo": "https://www.mathdomain.com/privacy", "inLanguage": "en", "potentialAction": [{ "@type": "SolveMathAction", "target": "https://mathdomain.com/solve?q={math_expression_string}", "mathExpression-input": "required name=math_expression_string", "eduQuestionType": ["Polynomial Equation","Derivative"] }], "learningResourceType": "Math solver" }, { "@context": "https://schema.org", "@type": ["MathSolver", "LearningResource"], "name": "Un solucionador de matemáticas increíble", "url": "https://es.mathdomain.com/", "usageInfo": "https://es.mathdomain.com/privacy", "inLanguage": "es", "potentialAction": [{ "@type": "SolveMathAction", "target": "https://es.mathdomain.com/solve?q={math_expression_string}", "mathExpression-input": "required name=math_expression_string", "eduQuestionType": ["Polynomial Equation","Derivative"] }], "learningResourceType": "Math solver" } </script>

      ```

  11. Apr 2022
    1. In the previous version, using the standard library, once the data is loaded we no longer to keep the file open. With this API the file has to stay open because the JSON parser is reading from the file on demand, as we iterate over the records.

      For ijson.items(), the peak tracked memory usage was 3.6 MiB for a large JSON, instead of 124.7 MiB as for the standard json.load()

    2. One common solution is streaming parsing, aka lazy parsing, iterative parsing, or chunked processing.

      Solution for processing large JSON files in Python

  12. Mar 2022
  13. Feb 2022
  14. Jan 2022
    1. An extension to python markdown that takes metadata embedded as YAML in a page of markdown and render it as JSON-LD in the HTML created by MkDocs.
      • YAML input

        "@context": "http://schema.org"
        "@id": "#lesson1"
        "@type":
          - CreativeWork
        learningResourceType: LessonPlan
        hasPart: {
        "@id": "#activity1"
        }
        author:
          "@type": Person
          name: Phil Barker
        
      • Default JSON-LD output

        <script type="application/ld+json">
        { "@context":  "http://schema.org",
        "@id": "#lesson1",
        "@type":["CreativeWork"],
        "learningResourceType": "LessonPlan",
        "name": "Practice Counting Strategies",
        "hasPart": {
          "@id": "#activity1-1"
        }
        "author": {
          "@type": "Person"
          "name": "Phil Barker"
        }
        }
        </script>
        
    1. The metadata that we use for OCX is a profile of schema.org / LRMI,  OERSchema and few bits that we have added because we couldn’t find them elsewhere. Here’s what (mostly) schema.org metadata looks like in YAML:
      "@context":
          - "http://schema.org"
          - "oer": "http://oerschema.org/"
          - "ocx": "https://github.com/K12OCX/k12ocx-specs/"
      "@id": "#Lesson1"
      "@type":
          - oer:Lesson
          - CreativeWork
      learningResourceType: LessonPlan
      hasPart:
        "@id": "#activity1-1"
      author:
          "@type": Person
          name: Phil Barker
      
    2. I’ve been experimenting with ways of putting JSON-LD schema.org metadata into HTML created by MkDocs. The result is a python-markdown plugin that will (hopefully) find blocks of YAML in markdown and insert then into the HTML that is generated.
    1. HyperGraphQL is a GraphQL interface for querying and serving linked data on the Web. It is designed to support federated querying and exposing data from multiple linked data services using GraphQL query language and schemas. The basic response format is JSON-LD, which extends the standard JSON with the JSON-LD context enabling semantic disambiguation of the contained data.
    1. {
       "@context": {
        "doap": "http://usefulinc.com/ns/doap#",
        "url": "@id",
        "name": "doap:name",
        "description": "doap:description",
        "author": "doap:maintainter",
        "license": "doap:license", // can we map values to https://spdx.org/licenses/ ?
        ...
        },
        "homepage": {"@id": "doap:homepage", "@type": "@id"}
      }