diff --git a/README.md b/README.md
index 4a2c7a6..615ac48 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ A php library to describe resources and serve different hypermedia formats based
 
 ## how ?
 
- - Declare your different resources:
+Example integration with a symfony controller
 
 ```php
 use Hippiemedia\Resource;
@@ -16,7 +16,6 @@ use Hippiemedia\Operation;
 use Hippiemedia\Field;
 use Hippiemedia\Format;
 use Hippiemedia\Negotiate;
-use Hippiemedia\UrlGenerator;
 
 final class Hypermedia
 {
diff --git a/composer.json b/composer.json
index 3136025..3b27d8d 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     "require": {
         "lstrojny/functional-php": "^1.0",
         "willdurand/negotiation": "^2.0",
-        "symfony/routing": "^3.0 | ^4.0"
+        "docteurklein/json-chunks": "^1.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/composer.lock b/composer.lock
index ed4ad3a..2b1e197 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,44 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "cbe09d71af04b4b0611ae80efa114778",
+    "content-hash": "59a18a20bafc2d4c1125bb79cdf1037a",
     "packages": [
+        {
+            "name": "docteurklein/json-chunks",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/docteurklein/json-chunks.git",
+                "reference": "61199e6ba97880191854bb75d5d50f2d8f345e89"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/docteurklein/json-chunks/zipball/61199e6ba97880191854bb75d5d50f2d8f345e89",
+                "reference": "61199e6ba97880191854bb75d5d50f2d8f345e89",
+                "shasum": ""
+            },
+            "require-dev": {
+                "phpspec/phpspec": "^4.3"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "DocteurKlein\\JsonChunks\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Klein Florian",
+                    "email": "florian.klein@free.fr"
+                }
+            ],
+            "description": "JSON encoder using generators to stream",
+            "time": "2018-09-13T09:49:59+00:00"
+        },
         {
             "name": "lstrojny/functional-php",
             "version": "1.9.0",
@@ -145,83 +181,6 @@
             ],
             "time": "2018-12-03T16:47:05+00:00"
         },
-        {
-            "name": "symfony/routing",
-            "version": "v4.2.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/routing.git",
-                "reference": "649460207e77da6c545326c7f53618d23ad2c866"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/routing/zipball/649460207e77da6c545326c7f53618d23ad2c866",
-                "reference": "649460207e77da6c545326c7f53618d23ad2c866",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^7.1.3"
-            },
-            "conflict": {
-                "symfony/config": "<4.2",
-                "symfony/dependency-injection": "<3.4",
-                "symfony/yaml": "<3.4"
-            },
-            "require-dev": {
-                "doctrine/annotations": "~1.0",
-                "psr/log": "~1.0",
-                "symfony/config": "~4.2",
-                "symfony/dependency-injection": "~3.4|~4.0",
-                "symfony/expression-language": "~3.4|~4.0",
-                "symfony/http-foundation": "~3.4|~4.0",
-                "symfony/yaml": "~3.4|~4.0"
-            },
-            "suggest": {
-                "doctrine/annotations": "For using the annotation loader",
-                "symfony/config": "For using the all-in-one router or any loader",
-                "symfony/dependency-injection": "For loading routes from a service",
-                "symfony/expression-language": "For using expression matching",
-                "symfony/http-foundation": "For using a Symfony Request object",
-                "symfony/yaml": "For using the YAML loader"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "4.2-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Symfony\\Component\\Routing\\": ""
-                },
-                "exclude-from-classmap": [
-                    "/Tests/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony Routing Component",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "router",
-                "routing",
-                "uri",
-                "url"
-            ],
-            "time": "2018-12-03T22:08:12+00:00"
-        },
         {
             "name": "willdurand/negotiation",
             "version": "v2.3.1",
diff --git a/example/whatever.php b/example/whatever.php
new file mode 100644
index 0000000..5124bf1
--- /dev/null
+++ b/example/whatever.php
@@ -0,0 +1,19 @@
+<?php declare(strict_types=1);
+
+// php -S 0:8080 -t example
+// xdg-open http://0:8080/whatever.php
+
+use Hippiemedia\Infra\Negotiate\WilldurandNegotiator;
+use Hippiemedia\Format;
+use Hippiemedia\Resource;
+
+require(__DIR__.'/../vendor/autoload.php');
+
+$contentType = array_change_key_case(getallheaders())['content-type'] ?? 'text/html';
+
+$negotiate = new WilldurandNegotiator(new \Negotiation\Negotiator, 'text/html', new Format\Html, new Format\Siren, new Format\Hal);
+$format = $negotiate($contentType);
+
+header('Content-Type: '.$format->accepts());
+
+echo implode("\n", iterator_to_array($format(Resource::whatever()), false));
diff --git a/spec/Hippiemedia/Format/HtmlSpec.php b/spec/Hippiemedia/Format/HtmlSpec.php
new file mode 100644
index 0000000..8e7e352
--- /dev/null
+++ b/spec/Hippiemedia/Format/HtmlSpec.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace spec\Hippiemedia\Format;
+
+use Hippiemedia\Format\Siren;
+use PhpSpec\ObjectBehavior;
+use Prophecy\Argument;
+use Hippiemedia\Resource;
+
+class HtmlSpec extends ObjectBehavior
+{
+    function it_formats_html()
+    {
+        $iterable = $this(Resource::whatever());
+
+        $html = implode("\n", iterator_to_array($iterable->getWrappedObject(), false));
+        $dom = new \DOMDocument('1.0', 'UTF-8');
+        $dom->loadHTML($html);
+    }
+}
diff --git a/src/Format/Hal.php b/src/Format/Hal.php
index 567c488..9a76ab0 100644
--- a/src/Format/Hal.php
+++ b/src/Format/Hal.php
@@ -6,6 +6,7 @@
 use Hippiemedia\Format;
 use Hippiemedia\Resource;
 use Hippiemedia\Link;
+use DocteurKlein\JsonChunks\Encode;
 
 final class Hal implements Format
 {
@@ -15,6 +16,11 @@ public function accepts(): string
     }
 
     public function __invoke(Resource $resource): iterable
+    {
+        return Encode::from($this->normalize($resource));
+    }
+
+    private function normalize(Resource $resource): iterable
     {
         $linksByRel = array_merge(
             f\group($resource->links, f\invoker('rel')),
@@ -40,7 +46,7 @@ public function __invoke(Resource $resource): iterable
             }),
             '_embedded' => array_merge(f\map($operationsByRel, function($operations) {
                 return f\map(array_values($operations), function($operation) {
-                    return $this(new Resource($operation->url, [
+                    return $this->normalize(new Resource($operation->url, [
                         '_templates' => [
                             'default' => [
                                 'title' => $operation->title,
@@ -63,8 +69,8 @@ public function __invoke(Resource $resource): iterable
                     ], array_merge([new Link(['self'], $operation->url, $operation->templated)], $operation->links), []));
                 });
             }), f\map($resource->embedded, function($resources) {
-                return f\map($resources, $this);
-            }, $this))
+                return array_map([$this, 'normalize'], $resources);
+            }))
         ]);
     }
 }
diff --git a/src/Format/Html.php b/src/Format/Html.php
new file mode 100644
index 0000000..ed1f1e5
--- /dev/null
+++ b/src/Format/Html.php
@@ -0,0 +1,65 @@
+<?php declare(strict_types=1);
+
+namespace Hippiemedia\Format;
+
+use Functional as f;
+use Hippiemedia\Format;
+use Hippiemedia\Resource;
+use Hippiemedia\Operation;
+
+final class Html implements Format
+{
+    public function accepts(): string
+    {
+        return 'text/html';
+    }
+
+    public function __invoke(Resource $resource): iterable
+    {
+        $state = print_r($resource->state, true);
+        yield '<div>';
+        yield "<pre>{$state}</pre>";
+        yield from $this->links($resource);
+        yield from $this->operations($resource);
+        yield '</div>';
+    }
+
+    private function links(Resource $resource): iterable
+    {
+        yield '<ul>';
+        foreach ($resource->links as $link) {
+            yield <<<HTML
+                <li><a href="{$link->href}">{$link->title}</a></li>
+            HTML;
+        }
+        yield '</ul>';
+    }
+
+    private function operations(Resource $resource): iterable
+    {
+        foreach ($resource->operations as $operation) {
+            yield <<<HTML
+                <form action="{$operation->url}" method="{$operation->method}">
+                    <fieldset>
+                        <legend>{$operation->title}</legend>
+                HTML
+            ;
+            yield from $this->fields($operation);
+
+            yield <<<HTML
+                    </fieldset>
+                    <input type="submit" />
+                </form>
+            HTML;
+        }
+    }
+
+    private function fields(Operation $operation): iterable
+    {
+        foreach ($operation->fields as $field) {
+            yield <<<HTML
+                <input name="{$field->name}" value="{$field->value}" />
+            HTML;
+        }
+    }
+}
diff --git a/src/Format/Siren.php b/src/Format/Siren.php
index 3f41cab..598a08e 100644
--- a/src/Format/Siren.php
+++ b/src/Format/Siren.php
@@ -6,6 +6,7 @@
 use Hippiemedia\Format;
 use Hippiemedia\Resource;
 use Hippiemedia\Link;
+use DocteurKlein\JsonChunks\Encode;
 
 final class Siren implements Format
 {
@@ -15,6 +16,11 @@ public function accepts(): string
     }
 
     public function __invoke(Resource $resource): iterable
+    {
+        return Encode::from($this->normalize($resource));
+    }
+
+    private function normalize(Resource $resource): iterable
     {
         return [
             'class' => [],
@@ -31,7 +37,7 @@ public function __invoke(Resource $resource): iterable
             'entities' => array_reduce(array_keys($resource->embedded), function($acc, $rel) use($resource) {
                 $resources = $resource->embedded[$rel];
                 return array_merge($acc, f\map($resources, function($resource) use($rel) {
-                    return array_merge($this($resource), ['rel' => [$rel]]);
+                    return array_merge($this->normalize($resource), ['rel' => [$rel]]);
                 }));
             }, []),
             'actions' => f\map(array_values($resource->operations), function($operation) {
diff --git a/src/Infra/UrlGenerator/SymfonyRouter.php b/src/Infra/UrlGenerator/SymfonyRouter.php
deleted file mode 100644
index ce0d8ad..0000000
--- a/src/Infra/UrlGenerator/SymfonyRouter.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php declare(strict_types=1);
-
-namespace Hippiemedia\Infra\UrlGenerator;
-
-use Symfony\Component\Routing\RouterInterface;
-use Hippiemedia\UrlGenerator;
-
-
-final class SymfonyRouter implements UrlGenerator
-{
-    private $router;
-
-    public function __construct(RouterInterface $router)
-    {
-        $this->router = $router;
-    }
-
-    function url(string $route, array $params = []): string
-    {
-        return $this->router->generate($route, array_map('strval', $params), RouterInterface::ABSOLUTE_URL);
-    }
-
-    function template(string $route, array $params = []): string
-    {
-        $route = $this->router->getRouteCollection()->get($route);
-
-        $context = $this->router->getContext();
-
-        return sprintf('%s://%s/%s', $context->getScheme(), $context->getHost(), ltrim($route->getPath(), '/').(empty($params) ? '' : '?'.urldecode(http_build_query($params))));
-    }
-}
diff --git a/src/Operation.php b/src/Operation.php
index d4a0de2..a5a0b76 100644
--- a/src/Operation.php
+++ b/src/Operation.php
@@ -33,7 +33,7 @@ public static function whatever(array $data = [])
     {
         return new self(
             $data['rel'] ?? 'rel',
-            $data['method'] ?? 'method',
+            $data['method'] ?? 'POST',
             $data['url'] ?? 'url',
             $data['templated'] ?? false,
             $data['title'] ?? 'title',
diff --git a/src/Resource.php b/src/Resource.php
index 7ded832..f1aff5d 100644
--- a/src/Resource.php
+++ b/src/Resource.php
@@ -35,7 +35,7 @@ public static function whatever(array $data = [])
             $data['state'] ?? ['state'],
             $data['links'] ?? [Link::whatever()],
             $data['operations'] ?? [Operation::whatever()],
-            $data['embedded'] ?? ['rel' => [self::whatever(['embedded' => []])]],
+            $data['embedded'] ?? ['rel' => [self::whatever(['state' => ['SUB'], 'embedded' => []])]],
             $data['is_deprecated'] ?? false
         );
     }