PROBLEM TO BE SOLVED : To provide a self-transaction support system that supports direct transactions of real estate lease, buying and selling.SOLUTION : Property information from many lessors and sellers is linked to a single site, which provides a community where lessees and buyers can easily find the property information from the lessors and sellers for efficiently supplying and finding properties. The lessees and buyers, who used to acquire only property information, can know information other than the property information through the lessors' and sellers' introductions, sites, emails and comments and can also use the lessors' and sellers' personalities as criteria for decision.COPYRIGHT : (C)2007, JPO&INPIT