nuqjatlh (What does it mean?) (Front-Trends 2015)

To many, “semantic mark-up” means using appropriate HTML elements, not just divs (which should be a matter of course). But there’s more to it…
This talk provides an insight into Semantic Web technologies and how they can be used with HTML: microformats, microdata, RDFa, Schema.org. We’ll cover how applications can benefit from it and its impact on user experience.
What do Klingons have to do with it? You’ll find out…

Video: https://www.youtube.com/watch?v=ocfeaFFxoNc

Transcript

1. 
   

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2. nuqjatlh
   

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3. Co to k… znaczy?
   

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4. What does it mean?
   

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5. taH pagh taHbe' (To be or not to be)

   “Klingon Hamlet” coming to Warsaw

   On their Earth-wide tour the Kronos
   ensemble “Art Is a Weapon” will guest
   on 9 May 2315 at Warsaw’s Och-teatr
   to perform Wil'yam Shex'pir’s “Hamlet”
   in original Klingon language. 

   Grójecka 65, begin 20:00, tickets 42 €

   och-teatr.example/hamlet
   

   View Slide

6. taH pagh taHbe' (To be or not to be)

   “Klingon Hamlet” coming to Warsaw

   On their Earth-wide tour the Kronos
   ensemble “Art Is a Weapon” will guest
   on 9 May 2315 at Warsaw’s Och-teatr
   to perform Wil'yam Shex'pir’s “Hamlet”
   in original Klingon language. 

   Grójecka 65, begin 20:00, tickets 42 €

   och-teatr.example/hamlet
   
   
   
   
   
   
   
   
   
   

   View Slide

7. 
   
   taH pagh taHbe' (To be or not to be)
   “Klingon Hamlet” coming to Warsaw
   
   On their Earth-wide tour the Kronos ensemble “Art Is a Weapon”
   will guest on 9 May 2315 at Warsaw’s Och-teatr to perform
   Wil'yam Shex'pir’s “Hamlet” in original Klingon language.
   Grójecka 65, begin 20:00, tickets 42 €
   
   
   och-teatr.example/hamlet
   
   
   
   

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8. 
   qa'vIn latlh tu'lum HInobneS!
   h1 { text-transform: uppercase }
   QA'VIN LATLH TU'LUM HINOBNES!
   

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9. 
   qa'vIn latlh tu'lum HInobneS!
   h1 { text-transform: lowercase }
   qa'vin latlh tu'lum hinobnes!
   

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10. qa'vIn latlh tu'lum HInobneS!
    
    qa'vIn latlh tu'lum HInobneS!
    h1 { text-transform: lowercase }
    :lang(tlh) { text-transform: none !important}
    ✔
    

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11. View Slide

12. 
    
    taH pagh taHbe' (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on 9 May 2315 at Warsaw’s
    Och-teatr to perform Wil'yam Shex'pir’s “Hamlet” in
    original Klingon language.
    Grójecka 65, begin 20:00, tickets 42 €
    
    
    

    View Slide

13. 
    
    taH pagh taHbe' (To be or not
    to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on 9 May 2315 at Warsaw’s
    Och-teatr to perform Wil'yam Shex'pir’s “Hamlet” in
    original Klingon language.
    Grójecka 65, begin 20:00, tickets 42 €
    
    

    View Slide

14. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on 9 May 2315 at Warsaw’s
    Och-teatr to perform Wil'yam Shex'pir’s “Hamlet” in
    original Klingon language.
    Grójecka 65, begin 20:00, tickets 42 €
    
    

    View Slide

15. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on 9 May 2315 at Warsaw’s
    Och-teatr to perform Wil'yam Shex'pir’s “Hamlet” in
    original Klingon language.
    Grójecka 65, begin 20:00, tickets 42 €
    
    Gunnar Bittersmann @g16n · May 8
    Using HTML’s `translate` attribute: http://www.w3.org/
    International/questions/qa-translate-flag
    Using and elements: http://www.w3.org/
    International/questions/qa-b-and-i-tags #fronttrends
    

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16. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on 9 May 2315 at Warsaw’s
    Och-teatr to perform Wil'yam Shex'pir’s “Hamlet” in
    original Klingon language.
    Grójecka 65, begin 20:00, tickets 42 €
    
    

    View Slide

17. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on 9 May 2315 at Warsaw’s
    Och-teatr to perform Wil'yam Shex'pir’s “Hamlet” in
    original Klingon language.
    Grójecka 65,
    begin 20:00, tickets 42 €
    

    View Slide

18. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on 9 May 2315 at Warsaw’s
    Och-teatr to perform Wil'yam Shex'pir’s “Hamlet” in
    original Klingon language.
    Grójecka 65,
    begin 20:00, tickets 42 €
    

    View Slide

19. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on 9 May 2315 at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    Klingon language.
    Grójecka 65,
    

    View Slide

20. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on 9 May 2315 at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    Klingon language.
    Grójecka 65,
    

    View Slide

21. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    
    9 May 2315
    
    at Warsaw’s
    

    View Slide

22. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    
    9 May 2315
    
    at Warsaw’s
    

    View Slide

23. Is a Weapon” will guest on
    
    9 May 2315
    
    at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    Klingon language.
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    
    

    View Slide

24. Is a Weapon” will guest on
    
    9 May 2315
    
    at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    Klingon language.
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    
    

    View Slide

25. Is a Weapon” will guest on
    
    9 May 2315
    
    at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    Klingon language.
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    
    

    View Slide

26. taH pagh taHbe' (To be or not to be)

    “Klingon Hamlet” coming to Warsaw

    On their Earth-wide tour the Kronos
    ensemble “Art Is a Weapon” will guest
    on 9 May 2315 at Warsaw’s Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet”
    in original Klingon language. 

    Grójecka 65, begin 20:00, tickets 42 €

    och-teatr.example/hamlet
    event
    name
    performer
    date
    address time price
    location
    work
    author name
    url
    image
    

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27. semantic

    markup
    “semantic”

    markup
    

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28. semantic

    markup
    HTML
    

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29. event
    name
    performer
    datetime
    location
    name address
    city street
    work
    name author
    price
    url
    image
    

    View Slide

30. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    
    9 May 2315
    
    at Warsaw’s
    

    View Slide

31. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    
    9 May 2315
    
    at Warsaw’s
    

    View Slide

32. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to
    Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    
    9 May 2315
    
    

    View Slide

33. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to
    Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    
    9 May 2315
    
    

    View Slide

34. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to
    Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    
    9 May 2315
    
    

    View Slide

35. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to
    Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    datetime="2315-05-09T20:00+02:00">
    9 May 2315
    

    View Slide

36. “Klingon Hamlet” coming to
    Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    datetime="2315-05-09T20:00+02:00">
    9 May 2315
    
    at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    

    View Slide

37. “Klingon Hamlet” coming to
    Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    datetime="2315-05-09T20:00+02:00">
    9 May 2315
    
    at Warsaw’s
    translate="no">Och-teatr
    

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38. 
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to
    Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    datetime="2315-05-09T20:00+02:00">
    9 May 2315
    

    View Slide

39. name
    performer
    datetime
    location work
    price
    url
    image
    name address name author
    city street
    Klingon “Hamlet”
    Art Is a Weapon
    2315-05-09T20:00+02:00
    Och-teatr
    Warsaw Grójecka 65
    Hamlet Wil'yam Shex'pir
    42 €
    och-teatr.example/hamlet
    …/shexpir.jpg
    type
    type
    type
    type
    Event
    Location
    Address
    Work
    och-teatr.example/events/hamlet
    _:1
    _:2
    _:3
    

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40. name
    performer
    datetime
    location work
    price
    url
    image
    name address name author
    city street
    Klingon “Hamlet”
    Art Is a Weapon
    2315-05-09T20:00+02:00
    Och-teatr
    Warsaw Grójecka 65
    Hamlet Wil'yam Shex'pir
    42 €
    och-teatr.example/hamlet
    …/shexpir.jpg
    type
    type
    type
    type
    Event
    Location
    Address
    Work
    och-teatr.example/events/hamlet
    _:1
    _:2
    _:3
    

    View Slide

41. name
    performer
    datetime
    location work
    price
    url
    image
    name address name author
    city street
    Klingon “Hamlet”
    Art Is a Weapon
    2315-05-09T20:00+02:00
    Och-teatr
    Warsaw Grójecka 65
    Hamlet Wil'yam Shex'pir
    42 €
    och-teatr.example/hamlet
    …/shexpir.jpg
    type
    type
    type
    type
    Event
    Location
    Address
    Work
    och-teatr.example/events/hamlet
    _:1
    _:2
    _:3
    subject
    predicate
    object
    
    
    "Klingon “Hamlet”"
    

    View Slide

42. name
    performer
    datetime
    location work
    price
    url
    image
    name address name author
    city street
    Klingon “Hamlet”
    Art Is a Weapon
    2315-05-09T20:00+02:00
    Och-teatr
    Warsaw Grójecka 65
    Hamlet Wil'yam Shex'pir
    42 €
    och-teatr.example/hamlet
    …/shexpir.jpg
    type
    type
    type
    type
    Event
    Location
    Address
    Work
    och-teatr.example/events/hamlet
    _:1
    _:2
    _:3
    subject
    predicate
    object
    
    
    
    "Klingon “Hamlet”" .
    

    View Slide

43. name
    performer
    datetime
    location work
    price
    url
    image
    name address name author
    city street
    Klingon “Hamlet”
    Art Is a Weapon
    2315-05-09T20:00+02:00
    Och-teatr
    Warsaw Grójecka 65
    Hamlet Wil'yam Shex'pir
    42 €
    och-teatr.example/hamlet
    …/shexpir.jpg
    type
    type
    type
    type
    Event
    Location
    Address
    Work
    och-teatr.example/events/hamlet
    _:1
    _:2
    _:3
    "Klingon “Hamlet”" .
    .
    subject
    predicate
    object
    
    
    

    View Slide

44. name
    performer
    datetime
    location work
    price
    url
    image
    name address name author
    city street
    Klingon “Hamlet”
    Art Is a Weapon
    2315-05-09T20:00+02:00
    Och-teatr
    Warsaw Grójecka 65
    Hamlet Wil'yam Shex'pir
    42 €
    och-teatr.example/hamlet
    …/shexpir.jpg
    type
    type
    type
    type
    Event
    Location
    Address
    Work
    och-teatr.example/events/hamlet
    _:1
    _:2
    _:3
    "Klingon “Hamlet”" .
    .
    subject
    predicate
    object
    
    
    _:1
    

    View Slide

45. name
    performer
    datetime
    location work
    price
    url
    image
    name address name author
    city street
    Klingon “Hamlet”
    Art Is a Weapon
    2315-05-09T20:00+02:00
    Och-teatr
    Warsaw Grójecka 65
    Hamlet Wil'yam Shex'pir
    42 €
    och-teatr.example/hamlet
    …/shexpir.jpg
    type
    type
    type
    type
    Event
    Location
    Address
    Work
    och-teatr.example/events/hamlet
    _:1
    _:2
    _:3
    "Klingon “Hamlet”" .
    .
    subject
    predicate
    object
    
    _:1
    
    _:1 .
    

    View Slide

46. name
    performer
    datetime
    location work
    price
    url
    image
    name address name author
    city street
    Klingon “Hamlet”
    Art Is a Weapon
    2315-05-09T20:00+02:00
    Och-teatr
    Warsaw Grójecka 65
    Hamlet Wil'yam Shex'pir
    42 €
    och-teatr.example/hamlet
    …/shexpir.jpg
    type
    type
    type
    type
    Event
    Location
    Address
    Work
    och-teatr.example/events/hamlet
    _:1
    _:2
    _:3
    "Klingon “Hamlet”" .
    .
    subject
    predicate
    object
    
    _:1
    "Och-teatr"
    _:1 .
    _:1 .
    

    View Slide

47. name
    performer
    datetime
    location work
    price
    url
    image
    name address name author
    city street
    Klingon “Hamlet”
    Art Is a Weapon
    2315-05-09T20:00+02:00
    Och-teatr
    Warsaw Grójecka 65
    Hamlet Wil'yam Shex'pir
    42 €
    och-teatr.example/hamlet
    …/shexpir.jpg
    type
    type
    type
    type
    Event
    Location
    Address
    Work
    och-teatr.example/events/hamlet
    _:1
    _:2
    _:3
    "Klingon “Hamlet”" .
    .
    subject
    predicate
    object
    
    _:1
    _:2
    _:1 .
    _:1 .
    _:1 "Och-teatr" .
    

    View Slide

48. name
    performer
    datetime
    location work
    price
    url
    image
    name address name author
    city street
    Klingon “Hamlet”
    Art Is a Weapon
    2315-05-09T20:00+02:00
    Och-teatr
    Warsaw Grójecka 65
    Hamlet Wil'yam Shex'pir
    42 €
    och-teatr.example/hamlet
    …/shexpir.jpg
    type
    type
    type
    type
    Event
    Location
    Address
    Work
    och-teatr.example/events/hamlet
    _:1
    _:2
    _:3
    "Klingon “Hamlet”" .
    .
    _:1 .
    _:1 .
    _:1 "Och-teatr" .
    _:1 _:2 .
    

    View Slide

49. 
    xmlns:ns1="http://och-teatr.example/ns/"
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    >
    
    
    
    
    
    
    Och-teatr
    
    
    Klingon “Hamlet”
    
    
    

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50. {
    "@context": {
    "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
    "rdfs": "http://www.w3.org/2000/01/rdf-schema#",
    "xsd": "http://www.w3.org/2001/XMLSchema#"
    },
    "@graph": [
    {
    "@id": "http://och-teatr.example/events/hamlet",
    "http://och-teatr.example/ns/location": {
    "@id": "_:f61a48b11697a44d29a9dd9add87bdb18b1"
    },
    "http://och-teatr.example/ns/name": "Klingon “Hamlet”",
    "http://och-teatr.example/ns/type": {
    "@id": "http://och-teatr.example/ns/Event"
    }
    },
    

    View Slide

51. "Klingon “Hamlet”" .
    .
    _:1 .
    _:1 .
    _:1 "Och-teatr" .
    _:1 _:2 .
    readable
    

    View Slide

52. understandable?
    "Klingon “Hamlet”" .
    .
    _:1 .
    _:1 .
    _:1 "Och-teatr" .
    _:1 _:2 .
    

    View Slide

53. understandable?
    "Klingon “Hamlet”" .
    .
    _:1 .
    _:1 .
    _:1 "Och-teatr" .
    _:1 _:2 .
    schema.org
    

    View Slide

54. schema.org
    "Klingon “Hamlet”" .
    .
    _:1 .
    _:1 .
    _:1 "Och-teatr" .
    _:1 _:2 .
    

    View Slide

55. schema.org
    "Klingon “Hamlet”" .
    .
    _:1 .
    _:1 .
    _:1 "Och-teatr" .
    _:1 _:2 .
    

    View Slide

56. schema.org
    "Klingon “Hamlet”" .
    .
    _:1 .
    _:1 .
    _:1 "Och-teatr" .
    _:1 _:2 .
    

    View Slide

57. schema.org
    "Klingon “Hamlet”" .
    .
    _:1 .
    _:1 .
    _:1 "Och-teatr" .
    _:1 _:2 .
    

    View Slide

58. schema.org
    "Klingon “Hamlet”" .
    .
    _:1 .
    _:1 .
    _:1 "Och-teatr" .
    _:1 _:2 .
    

    View Slide

59. schema.org
    "Klingon “Hamlet”" .
    .
    _:1 .
    _:1 .
    _:1 "Och-teatr" .
    _:1 _:2 .
    

    View Slide

60. schema.org
    "Klingon “Hamlet”" .
    .
    _:1 .
    _:1 .
    _:1 "Och-teatr" .
    _:1 _:2 .
    

    View Slide

61. schema.org
    "Klingon “Hamlet”" .
    .
    _:1 .
    _:1 .
    _:1 "Och-teatr" .
    _:1 _:2 .
    

    View Slide

62. taH pagh taHbe' (To be or not to be) -

    “Klingon Hamlet” coming to Warsaw

    On their Earth-wide tour the Kronos
    ensemble “Art Is a Weapon” will guest
    on 9 May 2315 at Warsaw’s Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet”
    in original Klingon language. 

    Grójecka 65, begin 20:00, tickets 42 €

    och-teatr.example/hamlet
    

    View Slide

63. taH pagh taHbe' (To be or not to be) -

    “Klingon Hamlet” coming to Warsaw

    On their Earth-wide tour the Kronos
    ensemble “Art Is a Weapon” will guest
    on 9 May 2315 at Warsaw’s Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet”
    in original Klingon language. 

    Grójecka 65, begin 20:00, tickets 42 €

    och-teatr.example/hamlet
    

    View Slide

64. resource="http://och-teatr.example/events/hamlet">
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    
    9 May 2315
    
    

    View Slide

65. resource="http://och-teatr.example/events/hamlet"
    typeof="http://schema.org/Event">
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    
    9 May 2315
    

    View Slide

66. resource="http://och-teatr.example/events/hamlet"
    typeof="http://schema.org/Event">
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    
    9 May 2315
    

    View Slide

67. resource="http://och-teatr.example/events/hamlet"
    typeof="http://schema.org/Event">
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon
    Hamlet” coming to Warsaw
    
    On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    
    

    View Slide

68. On their Earth-wide tour the Kronos ensemble “Art
    Is a Weapon” will guest on
    
    9 May 2315
    
    at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    Klingon language.
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    

    View Slide

69. On their Earth-wide tour the
    
    Kronos ensemble “Art Is a Weapon”
    
    will guest on
    
    9 May 2315
    
    at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    Klingon language.
    

    View Slide

70. On their Earth-wide tour the
    typeof="http://schema.org/Organization">
    Kronos ensemble “Art Is a Weapon”
    
    will guest on
    
    9 May 2315
    
    at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    

    View Slide

71. On their Earth-wide tour the
    typeof="http://schema.org/Organization">
    Kronos ensemble “Art Is a Weapon”
    
    will guest on
    
    9 May 2315
    
    at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    

    View Slide

72. On their Earth-wide tour the
    typeof="http://schema.org/Organization">
    Kronos ensemble
    “Art Is a
    Weapon”
    
    will guest on
    
    9 May 2315
    
    at Warsaw’s
    

    View Slide

73. resource="http://och-teatr.example/events/hamlet"
    typeof="http://schema.org/Event">
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon
    Hamlet” coming to Warsaw
    
    On their Earth-wide tour the
    typeof="http://schema.org/Organization">
    

    View Slide

74. resource="http://och-teatr.example/events/hamlet"
    typeof="http://schema.org/Event">
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon
    Hamlet” coming to Warsaw
    
    On their Earth-wide tour the
    typeof="http://schema.org/Organization">
    

    View Slide

75. resource="http://och-teatr.example/events/hamlet"
    typeof="Event">
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon
    Hamlet” coming to Warsaw
    
    On their Earth-wide tour the
    typeof="http://schema.org/Organization">
    

    View Slide

76. resource="http://och-teatr.example/events/hamlet"
    typeof="Event">
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon
    Hamlet” coming to Warsaw
    
    On their Earth-wide tour the
    typeof="http://schema.org/Organization">
    

    View Slide

77. resource="http://och-teatr.example/events/hamlet"
    typeof="Event">
    
    taH pagh taHbe'
    (To be or not to be)
    “Klingon Hamlet” coming to
    Warsaw
    
    On their Earth-wide tour the
    typeof="http://schema.org/Organization">
    

    View Slide

78. On their Earth-wide tour the
    typeof="http://schema.org/Organization">
    Kronos ensemble
    “Art Is a
    Weapon”
    
    will guest on
    
    9 May 2315
    
    at Warsaw’s
    

    View Slide

79. On their Earth-wide tour the
    
    Kronos ensemble
    “Art Is a
    Weapon”
    
    will guest on
    
    9 May 2315
    
    at Warsaw’s
    Och-teatr
    

    View Slide

80. On their Earth-wide tour the
    
    Kronos ensemble
    “Art Is a Weapon”
    
    will guest on
    
    9 May 2315
    
    at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    

    View Slide

81. On their Earth-wide tour the
    
    Kronos ensemble
    “Art Is a Weapon”
    
    will guest on
    
    9 May 2315
    
    at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    

    View Slide

82. On their Earth-wide tour the
    
    Kronos ensemble
    “Art Is a Weapon”
    
    will guest on
    
    9 May 2315
    
    at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    

    View Slide

83. On their Earth-wide tour the
    
    Kronos ensemble
    “Art Is a Weapon”
    
    will guest on
    datetime="2315-05-09T20:00+02:00">
    9 May 2315
    
    at Warsaw’s
    Och-teatr
    

    View Slide

84. at Warsaw’s
    Och-teatr
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    Klingon language.
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    
    och-teatr.example/hamlet
    
    
    
    

    View Slide

85. at
    
    Warsaw’s
    Och-teatr
    
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    Klingon language.
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    
    och-teatr.example/hamlet
    

    View Slide

86. at
    
    Warsaw’s
    Och-teatr
    
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    Klingon language.
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    
    och-teatr.example/hamlet
    

    View Slide

87. at
    
    Warsaw’s
    Och-teatr
    
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    Klingon language.
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    
    och-teatr.example/hamlet
    

    View Slide

88. at
    
    Warsaw’s
    
    Och-teatr
    
    
    to perform Wil'yam Shex'pir’s “Hamlet” in original
    Klingon language.
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    

    View Slide

89. to perform Wil'yam Shex'pir’s “Hamlet” in original
    Klingon language.
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    
    och-teatr.example/hamlet
    
    
    
    

    View Slide

90. to perform
    
    Wil'yam Shex'pir’s “Hamlet” in original Klingon
    language
    .
    
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    
    och-teatr.example/hamlet
    
    

    View Slide

91. to perform
    typeof="CreativeWork">
    Wil'yam Shex'pir’s “Hamlet” in original Klingon
    language
    .
    
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    
    och-teatr.example/hamlet
    

    View Slide

92. to perform
    typeof="CreativeWork">
    Wil'yam Shex'pir’s
    “Hamlet” in original Klingon language
    .
    
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    
    och-teatr.example/hamlet
    

    View Slide

93. to perform
    typeof="CreativeWork">
    Wil'yam Shex'pir’s
    “Hamlet”
    in original Klingon language
    .
    
    Grójecka 65,
    begin 20:00, tickets 42 €
    
    
    

    View Slide

94. to perform
    typeof="CreativeWork">
    Wil'yam Shex'pir’s
    “Hamlet”
    in original
    
    Klingon language
    
    .
    
    Grójecka 65,
    

    View Slide

95. to perform
    typeof="CreativeWork">
    Wil'yam Shex'pir’s
    “Hamlet”
    in original
    
    Klingon language
    
    .
    
    Grójecka 65,
    

    View Slide

96. to perform
    typeof="CreativeWork">
    Wil'yam Shex'pir’s
    “Hamlet”
    in original
    
    Klingon language
    
    .
    
    Grójecka 65,
    

    View Slide

97. 
    Warsaw’s
    
    Och-teatr
    
    
    to perform
    typeof="CreativeWork">
    Wil'yam Shex'pir’s
    “Hamlet”
    in original
    

    View Slide

98. 
    
    Warsaw
    ’s
    
    Och-teatr
    
    
    to perform
    typeof="CreativeWork">
    Wil'yam Shex'pir’s
    

    View Slide

99. 
    
    Warsaw
    ’s
    
    Och-teatr
    
    
    to perform
    typeof="CreativeWork">
    Wil'yam Shex'pir’s
    

    View Slide

100. 
     
     Warsaw
     ’s
     
     Och-teatr
     
     
     to perform
     typeof="CreativeWork">
     Wil'yam Shex'pir’s
     

     View Slide

101. 
     
     Warsaw
     
     ’s
     
     Och-teatr
     
     
     to perform
     typeof="CreativeWork">
     

     View Slide

102. 
     resource="_:postalAddress">
     Warsaw
     
     ’s
     
     Och-teatr
     
     
     to perform
     

     View Slide

103. Klingon language
     
     .
     
     
     
     Grójecka 65,
     
     begin 20:00, tickets 42 €
     
     
     och-teatr.example/hamlet
     

     View Slide

104. Klingon language
     
     .
     
     
     
     Grójecka 65,
     
     begin 20:00, tickets 42 €
     
     
     och-teatr.example/hamlet
     

     View Slide

105. 
     resource="_:postalAddress">
     Warsaw
     
     ’s
     
     Och-teatr
     
     
     to perform
     typeof="CreativeWork">
     Wil'yam Shex'pir’s
     “Hamlet”
     in original
     
     Klingon language
     
     .
     
     
     
     Grójecka 65,
     
     

     View Slide

106. Klingon language
     
     .
     
     
     
     
     Grójecka
     65,
     
     
     begin 20:00, tickets 42 €
     

     View Slide

107. Klingon language
     
     .
     
     
     
     
     Grójecka
     65,
     
     
     begin 20:00, tickets 42 €
     

     View Slide

108. begin 20:00, tickets 42 €
     
     
     och-teatr.example/hamlet
     
     
     
     

     View Slide

109. begin 20:00,
     
     tickets 42 €
     
     
     
     
     och-teatr.example/hamlet
     
     
     
     

     View Slide

110. begin 20:00,
     
     tickets
     42 €
     
     
     
     
     och-teatr.example/hamlet
     
     
     
     

     View Slide

111. begin 20:00,
     
     tickets
     42 €
     href="http://schema.org/InStock"/>
     
     
     
     
     och-teatr.example/hamlet
     
     

     View Slide

112. begin 20:00,
     
     tickets
     42 €
     href="http://schema.org/InStock"/>
     
     
     
     href="http://och-teatr.example/hamlet">
     och-teatr.example/hamlet
     

     View Slide

113. href="http://och-teatr.example/hamlet">
     och-teatr.example/hamlet
     
     alt="Wil'yam Shex'pir"/>
     
     

     View Slide

114. resource="http://och-teatr.example/events/hamlet"
     typeof="Event">
     
     taH pagh taHbe'
     (To be or not to be)
     “Klingon Hamlet” coming to
     Warsaw
     
     On their Earth-wide tour the
     typeof="Organization">
     RDFa
     

     View Slide

115. itemscope itemype="Event">
     
     taH pagh taHbe'
     (To be or not to be)
     “Klingon Hamlet” coming to
     Warsaw
     
     On their Earth-wide tour the
     itemscope itemype="Organization">
     ⾠ microdata
     

     View Slide

116. OUT OF YOUR BEANS
     for the best
     COFFEE GRINDERS
     Photo credits: Poulpy (CC-BY-SA-3.0), (public domain), Manfred Heyde (CC-BY-SA-3.0)
     98 € PICK
     me
     Peugeot
     Coffee grinder
     76 € PICK
     me
     Kalita
     Coffee grinder
     54 € PICK
     me
     Heyde
     Coffee grinder
     

     View Slide

117. 
     
     
     
     …
     …
     …
     
     …
     
     …
     
     
     Pick me!
     
     

     View Slide

118. #page-products
     {
     .product-list
     {
     li { … }
     [property="image"] { … }
     [property="brand"] { … }
     [property="model"] { … }
     [property="description"] { … }
     [property="price"] { … }
     button { … }
     }
     }
     

     View Slide

119. no classes!
     Look ma,
     

     View Slide

120. no classes!
     Look ma,
     

     View Slide

121. no classes!
     Look ma,
     

     View Slide

122. View Slide

123. View Slide

124. View Slide

125. View Slide

126. View Slide

127. View Slide

128. View Slide

129. View Slide

130. photo: Yevgeny Khaldei, source: mil.ru, CC BY 4.0
     

     View Slide

131. 
     

     View Slide