Linked Data Engineering

بواسطة: openHPI

Overview

We are surrounded by data everywhere. By helping us to make better decisions, data plays a central role in our daily lives. An ever increasing number of data sources, driven by individuals and organizations, contribute to this data deluge by sharing their data with others. However, data is locked up behind proprietary, unreliable, and even unstable programming interfaces that prevent us from optimally making use of it. Linked Data has the potential to revolutionize the way we discover, access, integrate, and use data; just in the way the World Wide Web has revolutionized the way we consume and connect documents. This course will introduce you to the basic principles and technologies of Linked Data to enable data sharing and reuse on a massive scale. Held together by ontologies, i.e. knowledge representations based on Semantic Web technologies, Linked Data serves as the central building block of the emerging Web of Data.

Taught by

Harald Sack

Computer Science / Computer Science

الذهاب الي الدورة

Linked Data Engineering

بواسطة: openHPI

openHPI
مجانية
الإنجليزية
متاح شهادة
متاح في أي وقت
الجميع
N/A

Messages Timeline Exceptions Views14 Route Queries6 Models5 Gate Session Request

8.1.2346ms2MBGET ar/الدورات/{slug}

Booting (199ms)
Application (146ms)
1 x Booting (57.47%)
198.69ms
1 x Application (42.31%)
146.28ms

14 templates were rendered

public.courses.show (resources/views/public/courses/show.blade.php)3bladefile
Params
0
course
1
links
2
config
public.courses.partials.breadcrumbs (resources/views/public/courses/partials/breadcrumbs.blade.php)6bladefile
Params
0
__env
1
app
2
errors
3
course
4
links
5
config
public.courses.partials.heading (resources/views/public/courses/partials/heading.blade.php)7bladefile
Params
0
__env
1
app
2
errors
3
course
4
links
5
config
6
classes
public.courses.partials.details (resources/views/public/courses/partials/details.blade.php)6bladefile
Params
0
__env
1
app
2
errors
3
course
4
links
5
config
public.courses.partials.breadcrumbs (resources/views/public/courses/partials/breadcrumbs.blade.php)6bladefile
Params
0
__env
1
app
2
errors
3
course
4
links
5
config
public.courses.partials.heading (resources/views/public/courses/partials/heading.blade.php)7bladefile
Params
0
__env
1
app
2
errors
3
course
4
links
5
config
6
classes
public.layouts.main (resources/views/public/layouts/main.blade.php)6bladefile
Params
0
__env
1
app
2
errors
3
course
4
links
5
config
public.layouts.partials.meta (resources/views/public/layouts/partials/meta.blade.php)6bladefile
Params
0
__env
1
app
2
errors
3
course
4
links
5
config
public.layouts.partials.navbar (resources/views/public/layouts/partials/navbar.blade.php)6bladefile
Params
0
__env
1
app
2
errors
3
course
4
links
5
config
public.auth.profile.partials.links (resources/views/public/auth/profile/partials/links.blade.php)6bladefile
Params
0
__env
1
app
2
errors
3
course
4
links
5
config
public.auth.profile.partials.link (resources/views/public/auth/profile/partials/link.blade.php)8bladefile
Params
0
__env
1
app
2
errors
3
course
4
links
5
config
6
route
7
title
public.auth.profile.partials.link (resources/views/public/auth/profile/partials/link.blade.php)8bladefile
Params
0
__env
1
app
2
errors
3
course
4
links
5
config
6
route
7
title
public.auth.profile.partials.link (resources/views/public/auth/profile/partials/link.blade.php)8bladefile
Params
0
__env
1
app
2
errors
3
course
4
links
5
config
6
route
7
title
public.layouts.partials.flash-session (resources/views/public/layouts/partials/flash-session.blade.php)6bladefile
Params
0
__env
1
app
2
errors
3
course
4
links
5
config

Params
0	`course`
1	`links`
2	`config`

Params
0	`__env`
1	`app`
2	`errors`
3	`course`
4	`links`
5	`config`

Params
0	`__env`
1	`app`
2	`errors`
3	`course`
4	`links`
5	`config`
6	`classes`

Params
0	`__env`
1	`app`
2	`errors`
3	`course`
4	`links`
5	`config`

Params
0	`__env`
1	`app`
2	`errors`
3	`course`
4	`links`
5	`config`

Params
0	`__env`
1	`app`
2	`errors`
3	`course`
4	`links`
5	`config`
6	`classes`

Params
0	`__env`
1	`app`
2	`errors`
3	`course`
4	`links`
5	`config`

Params
0	`__env`
1	`app`
2	`errors`
3	`course`
4	`links`
5	`config`

Params
0	`__env`
1	`app`
2	`errors`
3	`course`
4	`links`
5	`config`

Params
0	`__env`
1	`app`
2	`errors`
3	`course`
4	`links`
5	`config`

Params
0	`__env`
1	`app`
2	`errors`
3	`course`
4	`links`
5	`config`
6	`route`
7	`title`

Params
0	`__env`
1	`app`
2	`errors`
3	`course`
4	`links`
5	`config`
6	`route`
7	`title`

Params
0	`__env`
1	`app`
2	`errors`
3	`course`
4	`links`
5	`config`
6	`route`
7	`title`

Params
0	`__env`
1	`app`
2	`errors`
3	`course`
4	`links`
5	`config`

uri: GET ar/الدورات/{slug}
middleware: web, localize:ar
controller: App\Http\Controllers\CourseController@show
as: ar.courses.show
namespace
prefix: /ar
where
file: app/Http/Controllers/CourseController.php:17-35

6 statements were executed38.57ms

select * from `courses` where `slug_ar` = 'linked-data-engineering' limit 1

4.58ms/app/Http/Controllers/CourseController.php:20corspedia

Metadata
Bindings	0. linked-data-engineering
Backtrace	17. /app/Http/Controllers/CourseController.php:20 18. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54 19. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43 20. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:260 21. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205

update `courses` set `visitors` = `visitors` + 1, `courses`.`updated_at` = '2025-04-18 05:49:19' where `id` = 1743

33.29ms/app/Http/Controllers/CourseController.php:21corspedia

Metadata
Bindings	0. 2025-04-18 05:49:19 1. 1743
Backtrace	17. /app/Http/Controllers/CourseController.php:21 18. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54 19. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43 20. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:260 21. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205

select `id`, `name_en`, `name_ar`, `topic_id`, `slug_en`, `slug_ar` from `subjects` where `subjects`.`id` in (1)

200μs/app/Http/Controllers/CourseController.php:23corspedia

Metadata
Backtrace	20. /app/Http/Controllers/CourseController.php:23 21. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54 22. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43 23. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:260 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205

select `id`, `name_en`, `name_ar`, `slug_en`, `slug_ar` from `topics` where `topics`.`id` in (1)

140μs/app/Http/Controllers/CourseController.php:23corspedia

Metadata
Backtrace	25. /app/Http/Controllers/CourseController.php:23 26. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54 27. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43 28. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:260 29. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205

select * from `providers` where `providers`.`id` in (23) and `providers`.`deleted_at` is null

170μs/app/Http/Controllers/CourseController.php:23corspedia

Metadata
Backtrace	20. /app/Http/Controllers/CourseController.php:23 21. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54 22. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43 23. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:260 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:205

select * from `html_files` where `html_files`.`id` = 1734 limit 1

190μs/app/Models/Course.php:84corspedia

Metadata
Bindings	0. 1734
Backtrace	21. /app/Models/Course.php:84 28. view::public.courses.show:29 30. /vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:125 31. /vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58 32. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:72

App\Models\HtmlFile: 1
App\Models\Provider: 1
App\Models\Topic: 1
App\Models\Subject: 1
App\Models\Course: 1

_token: P0qxRAIlwHmKclJEDcC1vMiCCSGthlmx9rNfarS8
locale: ar
_previous: array:1 [ "url" => "https://www.corspedia.com/ar/%D8%A7%D9%84%D8%AF%D9%88%D8%B1%D8%A7%D8%AA/linked...
_flash: array:2 [ "old" => [] "new" => [] ]
PHPDEBUGBAR_STACK_DATA: []

path_info

/ar/%D8%A7%D9%84%D8%AF%D9%88%D8%B1%D8%A7%D8%AA/linked-data-engineering

status_code

status_text

format

html

content_type

text/html; charset=UTF-8

request_query

[]

request_request

[]

request_headers

  0 of 0   
array:24 [▼
  "cf-ipcountry" => array:1 [▶
    0 => "US"
  ]
  "cf-connecting-ip" => array:1 [▶
    0 => "18.190.158.237"
  ]
  "cdn-loop" => array:1 [▶
    0 => "cloudflare; loops=1"
  ]
  "x-forwarded-proto" => array:1 [▶
    0 => "https"
  ]
  "cf-visitor" => array:1 [▶
    0 => "{"scheme":"https"}"
  ]
  "sec-fetch-site" => array:1 [▶
    0 => "none"
  ]
  "accept" => array:1 [▶
    0 => "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"
  ]
  "user-agent" => array:1 [▶
    0 => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
  ]
  "upgrade-insecure-requests" => array:1 [▶
    0 => "1"
  ]
  "sec-ch-ua-platform" => array:1 [▶
    0 => ""Windows""
  ]
  "sec-ch-ua-mobile" => array:1 [▶
    0 => "?0"
  ]
  "sec-ch-ua" => array:1 [▶
    0 => ""HeadlessChrome";v="129", "Not=A?Brand";v="8", "Chromium";v="129""
  ]
  "cache-control" => array:1 [▶
    0 => "no-cache"
  ]
  "pragma" => array:1 [▶
    0 => "no-cache"
  ]
  "sec-fetch-dest" => array:1 [▶
    0 => "document"
  ]
  "cf-ray" => array:1 [▶
    0 => "9321e0d3cfb76306-ORD"
  ]
  "accept-encoding" => array:1 [▶
    0 => "gzip, br"
  ]
  "priority" => array:1 [▶
    0 => "u=0, i"
  ]
  "sec-fetch-user" => array:1 [▶
    0 => "?1"
  ]
  "sec-fetch-mode" => array:1 [▶
    0 => "navigate"
  ]
  "x-forwarded-for" => array:1 [▶
    0 => "18.190.158.237"
  ]
  "host" => array:1 [▶
    0 => "www.corspedia.com"
  ]
  "content-length" => array:1 [▶
    0 => ""
  ]
  "content-type" => array:1 [▶
    0 => ""
  ]
]

request_server

  0 of 0   
array:50 [▼
  "USER" => "www-data"
  "HOME" => "/var/www"
  "HTTP_CF_IPCOUNTRY" => "US"
  "HTTP_CF_CONNECTING_IP" => "18.190.158.237"
  "HTTP_CDN_LOOP" => "cloudflare; loops=1"
  "HTTP_X_FORWARDED_PROTO" => "https"
  "HTTP_CF_VISITOR" => "{"scheme":"https"}"
  "HTTP_SEC_FETCH_SITE" => "none"
  "HTTP_ACCEPT" => "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7"
  "HTTP_USER_AGENT" => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
  "HTTP_UPGRADE_INSECURE_REQUESTS" => "1"
  "HTTP_SEC_CH_UA_PLATFORM" => ""Windows""
  "HTTP_SEC_CH_UA_MOBILE" => "?0"
  "HTTP_SEC_CH_UA" => ""HeadlessChrome";v="129", "Not=A?Brand";v="8", "Chromium";v="129""
  "HTTP_CACHE_CONTROL" => "no-cache"
  "HTTP_PRAGMA" => "no-cache"
  "HTTP_SEC_FETCH_DEST" => "document"
  "HTTP_CF_RAY" => "9321e0d3cfb76306-ORD"
  "HTTP_ACCEPT_ENCODING" => "gzip, br"
  "HTTP_PRIORITY" => "u=0, i"
  "HTTP_SEC_FETCH_USER" => "?1"
  "HTTP_SEC_FETCH_MODE" => "navigate"
  "HTTP_X_FORWARDED_FOR" => "18.190.158.237"
  "HTTP_HOST" => "www.corspedia.com"
  "REDIRECT_STATUS" => "200"
  "SERVER_NAME" => "corspedia.com"
  "SERVER_PORT" => "443"
  "SERVER_ADDR" => "141.95.147.152"
  "REMOTE_USER" => ""
  "REMOTE_PORT" => "49846"
  "REMOTE_ADDR" => "172.70.178.130"
  "SERVER_SOFTWARE" => "nginx/1.18.0"
  "GATEWAY_INTERFACE" => "CGI/1.1"
  "HTTPS" => "on"
  "REQUEST_SCHEME" => "https"
  "SERVER_PROTOCOL" => "HTTP/2.0"
  "DOCUMENT_ROOT" => "/var/www/corspedia/public"
  "DOCUMENT_URI" => "/index.php"
  "REQUEST_URI" => "/ar/%D8%A7%D9%84%D8%AF%D9%88%D8%B1%D8%A7%D8%AA/linked-data-engineering"
  "SCRIPT_NAME" => "/index.php"
  "CONTENT_LENGTH" => ""
  "CONTENT_TYPE" => ""
  "REQUEST_METHOD" => "GET"
  "QUERY_STRING" => ""
  "SCRIPT_FILENAME" => "/var/www/corspedia/public/index.php"
  "PATH_INFO" => ""
  "FCGI_ROLE" => "RESPONDER"
  "PHP_SELF" => "/index.php"
  "REQUEST_TIME_FLOAT" => 1744955359.6074
  "REQUEST_TIME" => 1744955359
]

request_cookies

[]

response_headers

  0 of 0   
array:5 [▼
  "content-type" => array:1 [▶
    0 => "text/html; charset=UTF-8"
  ]
  "cache-control" => array:1 [▶
    0 => "no-cache, private"
  ]
  "date" => array:1 [▶
    0 => "Fri, 18 Apr 2025 05:49:19 GMT"
  ]
  "set-cookie" => array:2 [▶
    0 => "XSRF-TOKEN=eyJpdiI6Ilo2RCs3c3VhbTJhNzRacnk3SjJLZFE9PSIsInZhbHVlIjoiRkRNZnk5VXVodnFsYzAxMjJaRHJMcWpuWGFDanNBWHVmcW5SN1RRUmdTdzA4K2lacWgzaTFTUTZ4Z01GQVh3SzlyTitCZGxwZlg4TkFicjIrVGhWNjBoaEFDUURVYUxnbGhZNnQ3R1FXUXdNRjVVY1BzTENFQkIyZHNPa3pEYWciLCJtYWMiOiI1NTI5NDkzNzcyNWRjYTY5MzIxODgyODYyMWU1Nzk1NmQ2Nzg4MTU1NWZjZmU4ZGJmY2E1OTgyZWYzYjE2YjM5IiwidGFnIjoiIn0%3D; expires=Fri, 18 Apr 2025 07:49:19 GMT; Max-Age=7200; path=/; samesite=lax ◀XSRF-TOKEN=eyJpdiI6Ilo2RCs3c3VhbTJhNzRacnk3SjJLZFE9PSIsInZhbHVlIjoiRkRNZnk5VXVodnFsYzAxMjJaRHJMcWpuWGFDanNBWHVmcW5SN1RRUmdTdzA4K2lacWgzaTFTUTZ4Z01GQVh3SzlyTitCZ ▶"
    1 => "laravel_session=eyJpdiI6IjVlNmRiWURvTytCRWhlTm4vb3gySUE9PSIsInZhbHVlIjoiU1B2QjAxRDJVQTFNaUFnV2hKNm9WbUFYcGhJeFZLVENGcSsrZVJHSGgvUHZHSlVIbXUyNCtOcVdYNVNNVFZMclp2UjlWa1Fhb3FXWlpSOGNiVGJ4NXFJR2pWWmgyaC9hVng3bG85TFQvWmF0MWxmVllLTGxwMTc3Q2d4YjZ5R2ciLCJtYWMiOiJjMjFlZmM1NTQyNGM3YWU1MDljMzU3NTdmMWQ5MmU1OTA1NDU3MWQ4NTRmMjkzNTA2NmMzZTkzYTEyMDk3M2UxIiwidGFnIjoiIn0%3D; expires=Fri, 18 Apr 2025 07:49:19 GMT; Max-Age=7200; path=/; httponly; samesite=lax ◀laravel_session=eyJpdiI6IjVlNmRiWURvTytCRWhlTm4vb3gySUE9PSIsInZhbHVlIjoiU1B2QjAxRDJVQTFNaUFnV2hKNm9WbUFYcGhJeFZLVENGcSsrZVJHSGgvUHZHSlVIbXUyNCtOcVdYNVNNVFZMclp2 ▶"
  ]
  "Set-Cookie" => array:2 [▶
    0 => "XSRF-TOKEN=eyJpdiI6Ilo2RCs3c3VhbTJhNzRacnk3SjJLZFE9PSIsInZhbHVlIjoiRkRNZnk5VXVodnFsYzAxMjJaRHJMcWpuWGFDanNBWHVmcW5SN1RRUmdTdzA4K2lacWgzaTFTUTZ4Z01GQVh3SzlyTitCZGxwZlg4TkFicjIrVGhWNjBoaEFDUURVYUxnbGhZNnQ3R1FXUXdNRjVVY1BzTENFQkIyZHNPa3pEYWciLCJtYWMiOiI1NTI5NDkzNzcyNWRjYTY5MzIxODgyODYyMWU1Nzk1NmQ2Nzg4MTU1NWZjZmU4ZGJmY2E1OTgyZWYzYjE2YjM5IiwidGFnIjoiIn0%3D; expires=Fri, 18-Apr-2025 07:49:19 GMT; path=/ ◀XSRF-TOKEN=eyJpdiI6Ilo2RCs3c3VhbTJhNzRacnk3SjJLZFE9PSIsInZhbHVlIjoiRkRNZnk5VXVodnFsYzAxMjJaRHJMcWpuWGFDanNBWHVmcW5SN1RRUmdTdzA4K2lacWgzaTFTUTZ4Z01GQVh3SzlyTitCZ ▶"
    1 => "laravel_session=eyJpdiI6IjVlNmRiWURvTytCRWhlTm4vb3gySUE9PSIsInZhbHVlIjoiU1B2QjAxRDJVQTFNaUFnV2hKNm9WbUFYcGhJeFZLVENGcSsrZVJHSGgvUHZHSlVIbXUyNCtOcVdYNVNNVFZMclp2UjlWa1Fhb3FXWlpSOGNiVGJ4NXFJR2pWWmgyaC9hVng3bG85TFQvWmF0MWxmVllLTGxwMTc3Q2d4YjZ5R2ciLCJtYWMiOiJjMjFlZmM1NTQyNGM3YWU1MDljMzU3NTdmMWQ5MmU1OTA1NDU3MWQ4NTRmMjkzNTA2NmMzZTkzYTEyMDk3M2UxIiwidGFnIjoiIn0%3D; expires=Fri, 18-Apr-2025 07:49:19 GMT; path=/; httponly ◀laravel_session=eyJpdiI6IjVlNmRiWURvTytCRWhlTm4vb3gySUE9PSIsInZhbHVlIjoiU1B2QjAxRDJVQTFNaUFnV2hKNm9WbUFYcGhJeFZLVENGcSsrZVJHSGgvUHZHSlVIbXUyNCtOcVdYNVNNVFZMclp2 ▶"
  ]
]

session_attributes

  0 of 0   
array:5 [▼
  "_token" => "P0qxRAIlwHmKclJEDcC1vMiCCSGthlmx9rNfarS8"
  "locale" => "ar"
  "_previous" => array:1 [▶
    "url" => "https://www.corspedia.com/ar/%D8%A7%D9%84%D8%AF%D9%88%D8%B1%D8%A7%D8%AA/linked-data-engineering"
  ]
  "_flash" => array:2 [▶
    "old" => []
    "new" => []
  ]
  "PHPDEBUGBAR_STACK_DATA" => []
]

1 x Booting (57.47%)	198.69ms
1 x Application (42.31%)	146.28ms