关键词: 空间信息搜索, 地名识别, 地图服务

Abstract: A spatial information hidden-search engine based on three-tier system architecture of B/S mode，is designed and developed.Through integrating some key techniques such as capturing words from screen technology，identification technology for geographic position name and web map service technology，the engine achieves instantaneous，implicit and dynamic spatial information acquiring（including graphic and literal information）.The engine expands the mode of GIS application and provides a new technology for spatial information services.

Key words: spatial information search, position name identification, map service