Southern Illinois University Carbondale
Recently, there has seen increasing interest in developing online map services using Google Maps Application Programming Interface (API), Yahoo Maps API, Microsoft Bing Maps API, Nokia Ovi Maps API, and ESRI ArcGIS API. Application developers utilize Maps API as a platform and combine spatial data from multiple sources to create new customized services - a buzzword commonly called map \"Mashups\". The use of maps API has revolutionized online mapping applications on the Internet. However, there are two major drawbacks in the map \"Mashups\".