development projects in natural water resources like rivers and lakes, specially transferring water to use in agriculture, domestic and industrial sector without considering environmental values, causes irrecoverable and irreversible damage to ecosystem and future options. if we consider the future generation and species rights, those damages and costs can be very much than we take in. the abov...

The Resource Description Framework (RDF[9]) has been developed to fulfil the need for a mechanism for resource description within the Web's architecture. With over 320 million[10] individually accessible objects on the Web, the ability to describe each one so that it can be conceptualized without being accessed and analyzed is increasingly important. This paper describes how an automatic classi...

soil salinity has been a large problem in arid and semi arid regions. preparation of such maps is useful for natural resource managers. old methods of preparing such maps require a lot of time and cost. multi-spectral remotely sensed dates due to the broad vision and repeating of these imageries is suitable for provide saline soil maps. this investigation is conducted to provide saline soil map...