diff --git a/README.md b/README.md
index 5a3f4ee..f073462 100644
--- a/README.md
+++ b/README.md
@@ -19,12 +19,12 @@ Implemented:
 * nested properties
 * nested microformat with associated property
 * dynamic creation of properties
+* [rel](http://microformats.org/wiki/rel)
 
 Not Implemented:
 
 * [normalize u-* property values](http://microformats.org/wiki/microformats2-parsing-faq#normalizing_u-.2A_property_values)
 * nested microformat without associated property
-* [rel](http://microformats.org/wiki/rel)
 * [value-class-pattern](http://microformats.org/wiki/value-class-pattern)
 * [include-pattern](http://microformats.org/wiki/include-pattern)
 * recognition of [vendor extensions](http://microformats.org/wiki/microformats2#VENDOR_EXTENSIONS)
diff --git a/lib/microformats2/collection.rb b/lib/microformats2/collection.rb
index 84f713d..09d106a 100644
--- a/lib/microformats2/collection.rb
+++ b/lib/microformats2/collection.rb
@@ -2,13 +2,25 @@ module Microformats2
   class Collection
     attr_reader :all
 
-    def initialize(element)
+    def initialize(element, url = nil)
       @element = element
+      
+      @base = nil
+      if url != nil
+        @base = url
+      end
+      if @element.search("base").size > 0
+        @base = @element.search("base")[0].attribute("href")
+      end
+      
       @format_names = []
+      @rels = {}
+      @alternates = []
     end
 
     def parse
       all
+      parse_rels
       self
     end
 
@@ -29,10 +41,12 @@ module Microformats2
     end
 
     def to_hash
-      hash = { items: [] }
+      hash = { items: [], rels: @rels }
       all.each do |format|
         hash[:items] << format.to_hash
       end
+      hash[:alternates] = @alternates unless @alternates.nil? || @alternates.empty?
+      
       hash
     end
 
@@ -67,5 +81,40 @@ module Microformats2
         send("#{mn.pluralize}=", [value])
       end
     end
+    
+    def parse_rels
+      @element.search("*[@rel]").each do |rel|
+        rel_values = rel.attribute("rel").text.split(" ")
+        
+        if rel_values.member?("alternate")
+          alternate_inst = {}
+          alternate_inst["url"] = absolutize(rel.attribute("href").text)
+          alternate_inst["rel"] = (rel_values - ["alternate"]).join(" ")
+          unless rel.attribute("media").nil?
+            alternate_inst["media"] = rel.attribute("media").text
+          end
+          unless rel.attribute("hreflang").nil?
+            alternate_inst["hreflang"] = rel.attribute("hreflang").text
+          end
+          unless rel.attribute("type").nil?
+            alternate_inst["type"] = rel.attribute("type").text
+          end
+          @alternates << alternate_inst
+        else
+          rel_values.each do |rel_value|
+            @rels[rel_value] = [] unless @rels.has_key?(rel_value)
+            @rels[rel_value] << absolutize(rel.attribute("href").text)
+          end
+        end
+      end
+    end
+    
+    def absolutize(href)
+      if URI.parse(href).absolute?
+        href
+      else
+        URI.join(@base, href).to_s
+      end
+    end
   end
 end
diff --git a/spec/lib/microformats2/collection_spec.rb b/spec/lib/microformats2/collection_spec.rb
index e5d3be1..dfca7f3 100644
--- a/spec/lib/microformats2/collection_spec.rb
+++ b/spec/lib/microformats2/collection_spec.rb
@@ -176,6 +176,20 @@ describe Microformats2::Collection do
         end
       end
     end
+    
+    describe "rels.html" do
+      before do
+        html = "spec/support/lib/microformats2/rels.html"
+        @collection = Microformats2.parse(html)
+      end
+      describe "#to_json" do
+        it "should match rels.js" do
+          json = "spec/support/lib/microformats2/rels.js"
+          json = open(json).read
+          JSON.parse(@collection.to_json).should == JSON.parse(json)
+        end
+      end
+    end
   end
 
 
diff --git a/spec/support/lib/microformats2/nested-format-with-property.js b/spec/support/lib/microformats2/nested-format-with-property.js
index f38e461..1007383 100644
--- a/spec/support/lib/microformats2/nested-format-with-property.js
+++ b/spec/support/lib/microformats2/nested-format-with-property.js
@@ -11,5 +11,6 @@
       }],
       "name": ["Jessica Lynn Suttles"]
     }
-  }]
+  }],
+  "rels": {}
 }
diff --git a/spec/support/lib/microformats2/nested-property.js b/spec/support/lib/microformats2/nested-property.js
index b29a1d8..1e5d8cf 100644
--- a/spec/support/lib/microformats2/nested-property.js
+++ b/spec/support/lib/microformats2/nested-property.js
@@ -4,6 +4,7 @@
       "name": ["jlsuttles"],
       "nickname": ["jlsuttles"]
     }
-  }]
+  }],
+  "rels": {}
 }
 
diff --git a/spec/support/lib/microformats2/rels.html b/spec/support/lib/microformats2/rels.html
new file mode 100644
index 0000000..908e4d4
--- /dev/null
+++ b/spec/support/lib/microformats2/rels.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Rels Test</title>
+<base href="http://example.org/">
+<link rel="updates alternate" href="http://tantek.com/updates.atom" type="application/atom+xml" />
+</head>
+<body>
+<li><a rel="met friend" href="http://adactio.com/">Jeremy Keith</a></li>
+<li><a rel="met friend" href="http://tantek.com/">Tantek Çelik</a></li>
+</body>
+</html>
\ No newline at end of file
diff --git a/spec/support/lib/microformats2/rels.js b/spec/support/lib/microformats2/rels.js
new file mode 100644
index 0000000..9053dbe
--- /dev/null
+++ b/spec/support/lib/microformats2/rels.js
@@ -0,0 +1,13 @@
+{
+  "items": [],
+  "rels": {
+    "friend": ["http://adactio.com/", "http://tantek.com/"],
+    "met": ["http://adactio.com/", "http://tantek.com/"]
+  },
+  "alternates": [
+    {"url": "http://tantek.com/updates.atom",
+     "type": "application/atom+xml",
+     "rel": "updates"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/spec/support/lib/microformats2/simple.js b/spec/support/lib/microformats2/simple.js
index 9d02f66..c549abf 100644
--- a/spec/support/lib/microformats2/simple.js
+++ b/spec/support/lib/microformats2/simple.js
@@ -6,5 +6,6 @@
       "bday": ["1990-10-15"],
       "content": ["<p>Vegan. Cat lover. Coder.</p>"]
     }
-  }]
+  }],
+  "rels": {}
 }