Property transactions by floor space in some major cities, such as Beijing, Shenzhen, Hangzhou, Nanjing and Chongqing rose in May from a year earlier, according to statistics from data provider China Real Estate InformationCorp.
Social Intelligence Corp. takes personal information given to the company by its clients and uses its own software to search the web for user-generated content, collecting a broad array of links and categorizing data to generate matches.