{"type":"data","nodes":[null,{"type":"data","data":[{"tweet":1},{"edit_info":2,"retweeted":9,"source":10,"entities":11,"display_text_range":37,"favorite_count":19,"in_reply_to_status_id_str":38,"id_str":5,"in_reply_to_user_id":21,"truncated":9,"retweet_count":19,"id":5,"in_reply_to_status_id":38,"possibly_sensitive":9,"created_at":39,"favorited":9,"full_text":40,"lang":41,"in_reply_to_screen_name":17,"in_reply_to_user_id_str":21},{"initial":3},{"editTweetIds":4,"editableUntil":6,"editsRemaining":7,"isEditEligible":8},[5],"153928567959453696","2012-01-02T20:30:05.113Z","5",true,false,"\u003Ca href=\"http://twitter.com\" rel=\"nofollow\">Twitter Web Client\u003C/a>",{"hashtags":12,"symbols":13,"user_mentions":14,"urls":29},[],[],[15,22],{"name":16,"screen_name":17,"indices":18,"id_str":21,"id":21},"Mike Bostock","mbostock",[19,20],"0","9","43593",{"name":23,"screen_name":24,"indices":25,"id_str":28,"id":28},"Jason Davies","jasondavies",[26,27],"10","22","349963",[30],{"url":31,"expanded_url":32,"display_url":33,"indices":34},"http://t.co/QAettRdN","http://ubicomp.algoritmi.uminho.pt/local/concavehull.html","ubicomp.algoritmi.uminho.pt/local/concaveh…",[35,36],"118","138",[19,36],"153927372578627586","Mon Jan 02 20:00:05 +0000 2012","@mbostock @jasondavies I know, but I'm looking for algorithms to compute concave hulls aka α-shape. Like shown here:  http://t.co/QAettRdN","en"],"uses":{"params":["tweetid"]}}]}