Vancouver, British Columbia--ClickHouse.com Online Inc., Vancouver, British Columbia, said Thursday that the advertising network has entered into a co-branding agreement with NetNation Communications Inc. The deal calls for ClickHouse.com to place advertisements on NetNation's SmartWHOIS domain registration service, as well as other Internet applications developed by the company. The move is a boost for ClickHouse.com, which has just come on the scene. The company specializes in managing targeted advertising to specialized markets, such as technology and finance. Its network is based on the Linux operating system.