Generally update dependencies and use Ruby 2.6.

Update example files.

Author: gkellogg

.travis.yml

@@ -16,7 +16,7 @@ jobs:
     - stage: examples
       name: "Verify examples are consistent"
       language: ruby
-      rvm: 2.5
+      rvm: 2.6
       before_install:
         - 'gem update --system --conservative || (gem i "rubygems-update:~>2.7" --no-document && update_rubygems)'
         - 'gem update bundler --conservative'
@@ -30,7 +30,7 @@ jobs:
       # Because (alas) rawgit is end of life, we'll run this only on the master branch.
       if: branch = master
       language: ruby
-      rvm: 2.5
+      rvm: 2.6
       before_install:
         - 'gem update --system --conservative || (gem i "rubygems-update:~>2.7" --no-document && update_rubygems)'
         - 'gem update bundler --conservative'

Gemfile.lock

@@ -1,15 +1,15 @@
 GIT
   remote: https://github.com/ruby-rdf/json-ld.git
-  revision: 94a5f041320f71ef89e4e82c73a01fd07ab4af27
+  revision: d0bfdefb6cddac6a22683ff9733a94936c4e5dbe
   branch: develop
   specs:
-    json-ld (3.0.2)
+    json-ld (3.1.0)
       htmlentities (~> 4.3)
       json-canonicalization (~> 0.1)
       link_header (~> 0.0, >= 0.0.8)
-      multi_json (~> 1.13)
-      rack (>= 1.6, < 3.0)
-      rdf (~> 3.0, >= 3.0.8)
+      multi_json (~> 1.14)
+      rack (~> 2.0)
+      rdf (~> 3.1)
 
 GEM
   remote: https://rubygems.org/
@@ -18,13 +18,13 @@ GEM
       public_suffix (>= 2.0.2, < 5.0)
     bcp47 (0.3.3)
       i18n
-    builder (3.2.3)
+    builder (3.2.4)
     colorize (0.8.1)
     concurrent-ruby (1.1.5)
     connection_pool (2.2.2)
-    ebnf (1.1.3)
-      rdf (~> 3.0)
-      sxp (~> 1.0)
+    ebnf (1.2.0)
+      rdf (~> 3.1)
+      sxp (~> 1.1)
     equivalent-xml (0.6.0)
       nokogiri (>= 1.4.3)
     haml (5.1.2)
@@ -36,130 +36,129 @@ GEM
     i18n (1.7.0)
       concurrent-ruby (~> 1.0)
     json-canonicalization (0.1.0)
-    json-ld-preloaded (3.0.5)
-      json-ld (~> 3.0)
-      multi_json (~> 1.12)
-      rdf (~> 3.0)
-    ld-patch (0.3.3)
-      ebnf (~> 1.1)
-      rdf (>= 2.2, < 4.0)
-      rdf-xsd (>= 2.2, < 4.0)
-      sparql (>= 2.2, < 4.0)
-      sxp (~> 1.0)
+    json-ld-preloaded (3.1.0)
+      json-ld (~> 3.1)
+      rdf (~> 3.1)
+    ld-patch (3.1.0)
+      ebnf (~> 1.2)
+      rdf (~> 3.1)
+      rdf-xsd (~> 3.1)
+      sparql (~> 3.1)
+      sxp (~> 1.1)
     link_header (0.0.8)
-    linkeddata (3.0.1)
+    linkeddata (3.1.0)
       equivalent-xml (~> 0.6)
-      json-ld (>= 2.2.1, < 4.0)
-      ld-patch (~> 0.3, >= 0.3.3)
-      nokogiri (~> 1.8)
-      nokogumbo (~> 1.5)
-      rdf (~> 3.0)
-      rdf-aggregate-repo (>= 2.2.1, < 4.0)
-      rdf-isomorphic (~> 3.0)
-      rdf-json (>= 2.2, < 4.0)
-      rdf-microdata (>= 2.2.3, < 4.0)
-      rdf-n3 (~> 3.0)
-      rdf-normalize (~> 0.3, >= 0.3.3)
-      rdf-rdfa (~> 3.0)
-      rdf-rdfxml (>= 2.2.1, < 4.0)
-      rdf-reasoner (~> 0.5.0)
-      rdf-tabular (>= 2.2.1, < 4.0)
-      rdf-trig (>= 2.2, < 4.0)
-      rdf-trix (>= 2.2.1, < 4.0)
-      rdf-turtle (~> 3.0, >= 3.0.1)
-      rdf-vocab (~> 3.0)
-      rdf-xsd (~> 3.0)
-      shex (~> 0.5, >= 0.5.2)
-      sparql (~> 3.0)
-      sparql-client (~> 3.0)
+      json-ld (~> 3.1)
+      ld-patch (~> 3.1)
+      nokogiri (~> 1.10)
+      nokogumbo (~> 2.0)
+      rdf (~> 3.1)
+      rdf-aggregate-repo (~> 3.1)
+      rdf-isomorphic (~> 3.1)
+      rdf-json (~> 3.1)
+      rdf-microdata (~> 3.1)
+      rdf-n3 (~> 3.1)
+      rdf-normalize (~> 0.4)
+      rdf-rdfa (~> 3.1)
+      rdf-rdfxml (~> 3.1)
+      rdf-reasoner (~> 0.6)
+      rdf-tabular (~> 3.1)
+      rdf-trig (~> 3.1)
+      rdf-trix (~> 3.1)
+      rdf-turtle (~> 3.1)
+      rdf-vocab (~> 3.1)
+      rdf-xsd (~> 3.1)
+      shex (~> 0.6)
+      sparql (~> 3.1)
+      sparql-client (~> 3.1)
     mini_portile2 (2.4.0)
     multi_json (1.14.1)
     net-http-persistent (3.1.0)
       connection_pool (~> 2.2)
-    nokogiri (1.10.4)
+    nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
-    nokogumbo (1.5.0)
-      nokogiri
+    nokogumbo (2.0.2)
+      nokogiri (~> 1.8, >= 1.8.4)
     public_suffix (4.0.1)
     rack (2.0.8)
-    rake (13.0.0)
-    rdf (3.0.12)
+    rake (13.0.1)
+    rdf (3.1.0)
       hamster (~> 3.0)
       link_header (~> 0.0, >= 0.0.8)
-    rdf-aggregate-repo (2.2.1)
-      rdf (>= 2.2, < 4.0)
-    rdf-isomorphic (3.0.0)
-      rdf (~> 3.0)
-    rdf-json (2.2.0)
-      rdf (>= 2.2, < 4.0)
-    rdf-microdata (2.2.3)
+    rdf-aggregate-repo (3.1.0)
+      rdf (~> 3.1)
+    rdf-isomorphic (3.1.0)
+      rdf (~> 3.1)
+    rdf-json (3.1.0)
+      rdf (~> 3.1)
+    rdf-microdata (3.1.0)
       htmlentities (~> 4.3)
-      nokogiri (~> 1.8)
-      rdf (>= 2.2.8, < 4.0)
-      rdf-xsd (>= 2.2, < 4.0)
-    rdf-n3 (3.1.0)
-      rdf (~> 3.0)
-      sparql (~> 3.0)
-      sxp (~> 1.0)
-    rdf-normalize (0.3.3)
-      rdf (>= 2.2, < 4.0)
-    rdf-rdfa (3.0.1)
-      haml (~> 5.0)
+      nokogiri (~> 1.10)
+      rdf (~> 3.1)
+      rdf-xsd (~> 3.1)
+    rdf-n3 (3.1.1)
+      rdf (~> 3.1)
+      sparql (~> 3.1)
+      sxp (~> 1.1)
+    rdf-normalize (0.4.0)
+      rdf (~> 3.1)
+    rdf-rdfa (3.1.0)
+      haml (~> 5.1)
       htmlentities (~> 4.3)
-      rdf (~> 3.0)
-      rdf-aggregate-repo (>= 2.2, < 4.0)
-      rdf-xsd (~> 3.0)
-    rdf-rdfxml (2.2.1)
+      rdf (~> 3.1)
+      rdf-aggregate-repo (~> 3.1)
+      rdf-xsd (~> 3.1)
+    rdf-rdfxml (3.1.0)
       htmlentities (~> 4.3)
-      rdf (>= 2.2, < 4.0)
-      rdf-rdfa (>= 2.2, < 4.0)
-      rdf-xsd (>= 2.2, < 4.0)
-    rdf-reasoner (0.5.2)
-      rdf (~> 3.0)
-      rdf-vocab (~> 3.0)
-      rdf-xsd (~> 3.0)
-    rdf-tabular (2.2.2)
+      rdf (~> 3.1)
+      rdf-rdfa (~> 3.1)
+      rdf-xsd (~> 3.1)
+    rdf-reasoner (0.6.0)
+      rdf (~> 3.1)
+      rdf-vocab (~> 3.1)
+      rdf-xsd (~> 3.1)
+    rdf-tabular (3.1.0)
       addressable (~> 2.3)
       bcp47 (~> 0.3, >= 0.3.3)
-      json-ld (>= 2.1, < 4.0)
-      rdf (~> 3.0)
-      rdf-vocab (~> 3.0)
-      rdf-xsd (~> 3.0)
-    rdf-trig (3.0.1)
-      ebnf (~> 1.1)
-      rdf (~> 3.0)
-      rdf-turtle (~> 3.0, >= 3.0.3)
-    rdf-trix (2.2.1)
-      rdf (>= 2.2, < 4.0)
-    rdf-turtle (3.0.6)
+      json-ld (~> 3.1)
+      rdf (~> 3.1)
+      rdf-vocab (~> 3.1)
+      rdf-xsd (~> 3.1)
+    rdf-trig (3.1.0)
       ebnf (~> 1.1)
-      rdf (~> 3.0)
-    rdf-vocab (3.0.11)
-      rdf (~> 3.0, >= 3.0.11)
-    rdf-xsd (3.0.1)
-      rdf (~> 3.0)
+      rdf (~> 3.1)
+      rdf-turtle (~> 3.1)
+    rdf-trix (3.1.0)
+      rdf (~> 3.1)
+    rdf-turtle (3.1.0)
+      ebnf (~> 1.2)
+      rdf (~> 3.1)
+    rdf-vocab (3.1.0)
+      rdf (~> 3.1)
+    rdf-xsd (3.1.0)
+      rdf (~> 3.1)
     redcarpet (3.5.0)
-    shex (0.5.2)
-      ebnf (~> 1.1)
-      json-ld (>= 2.2, < 4.0)
-      json-ld-preloaded (>= 2.2, < 4.0)
-      rdf (>= 2.2, < 4.0)
-      rdf-xsd (>= 2.2, < 4.0)
-      sparql (>= 2.2, < 4.0)
-      sxp (~> 1.0)
-    sparql (3.0.2)
+    shex (0.6.0)
+      ebnf (~> 1.2)
+      json-ld (~> 3.1)
+      json-ld-preloaded (~> 3.1)
+      rdf (~> 3.1)
+      rdf-xsd (~> 3.1)
+      sparql (~> 3.1)
+      sxp (~> 1.1)
+    sparql (3.1.0)
       builder (~> 3.2)
-      ebnf (~> 1.1)
-      rdf (~> 3.0)
-      rdf-aggregate-repo (>= 2.2, < 4.0)
-      rdf-xsd (~> 3.0)
-      sparql-client (~> 3.0)
-      sxp (~> 1.0)
-    sparql-client (3.0.1)
-      net-http-persistent (>= 2.9, < 4)
-      rdf (~> 3.0)
-    sxp (1.0.2)
-      rdf (~> 3.0)
+      ebnf (~> 1.2)
+      rdf (~> 3.1)
+      rdf-aggregate-repo (~> 3.1)
+      rdf-xsd (~> 3.1)
+      sparql-client (~> 3.1)
+      sxp (~> 1.1)
+    sparql-client (3.1.0)
+      net-http-persistent (~> 3.1)
+      rdf (~> 3.1)
+    sxp (1.1.0)
+      rdf (~> 3.1)
     temple (0.8.2)
     tilt (2.0.10)
 

examples/Sample-JSON-LD-document-using-an-IRI-instead-of-a-term-to-express-a-property-expanded.jsonld

@@ -0,0 +1,9 @@
+[{
+  "@id": "http://me.markus-lanthaler.com/",
+  "http://xmlns.com/foaf/0.1/name": [
+    {"@value": "Markus Lanthaler"}
+  ],
+  "http://xmlns.com/foaf/0.1/homepage": [
+    {"@id": "http://www.markus-lanthaler.com/"}
+  ]
+}]

examples/Sample-JSON-LD-document-using-an-IRI-instead-of-a-term-to-express-a-property-statements.table

@@ -0,0 +1,20 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
+<html><body><table class="statements" data-result-for="Sample JSON-LD document using an IRI instead of a term to express a property-expanded">
+        <thead><tr>
+<th>Subject</th>
+<th>Property</th>
+<th>Value</th>
+</tr></thead>
+        <tbody>
+          <tr>
+<td>http://me.markus-lanthaler.com/</td>
+<td>foaf:name</td>
+<td>Markus Lanthaler</td>
+</tr>
+          <tr>
+<td>http://me.markus-lanthaler.com/</td>
+<td>http://xmlns.com/foaf/0.1/homepage</td>
+<td>http://www.markus-lanthaler.com/</td>
+</tr>
+        </tbody>
+      </table></body></html>

examples/Sample-JSON-LD-document-using-an-IRI-instead-of-a-term-to-express-a-property-turtle.ttl

@@ -0,0 +1,3 @@
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+<http://me.markus-lanthaler.com/> foaf:name "Markus Lanthaler";
+  foaf:homepage <http://www.markus-lanthaler.com/> .

examples/Sample-Turtle-document.ttl

@@ -1,2 +1,4 @@
-<http://me.markus-lanthaler.com/> <http://xmlns.com/foaf/0.1/name> "Markus Lanthaler" .
-<http://me.markus-lanthaler.com/> <http://xmlns.com/foaf/0.1/homepage> <http://www.markus-lanthaler.com/> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+<http://me.markus-lanthaler.com/>
+  foaf:name "Markus Lanthaler" ;
+  foaf:homepage <http://www.markus-lanthaler.com/> .

yaml/Sample-JSON-LD-document-using-an-IRI-instead-of-a-term-to-express-a-property-expanded.yaml

@@ -0,0 +1,7 @@
+Example 004: Sample JSON-LD document using an IRI instead of a term to express a property-expanded
+---
+- "@id": http://me.markus-lanthaler.com/
+  http://xmlns.com/foaf/0.1/name:
+  - "@value": Markus Lanthaler
+  http://xmlns.com/foaf/0.1/homepage:
+  - "@id": http://www.markus-lanthaler.com/