How to Implement a Governmental Open Source Geoportal

How to Implement a Hybrid Architecture for Open Source Geographic Information Systems

Tom Ingold, Boundless Tom Ingold is CTO of Boundless, an open source geographic information system (GIS) company. Tom joined Boundless from Booz Allen, where he was developing OGC services and architectures in the defense and intel markets. Tom has experience in agile systems and building GIS systems in production environments. He has a BA in Natural Sciences from Harvard and a postgrad certifi...

How to Implement P.B.L. in Traditional Medical Education

 SUMMARY Problem based learning as an innovation in education specially medical domain has been used since few decades and its positive effect in improving learning outcome bas been proved in several investigations. There are some obstacles that prevent shifting from traditional medical education, toward P.B.L. in medical school, so there has been several efforts managed by educationists searc...

How To Implement

How Open Should Open Source Be?

Many open-source projects land security fixes in public repositories before shipping these patches to users. This paper presents attacks on such projects—taking Firefox as a case-study—that exploit patch metadata to efficiently search for security patches prior to shipping. Using access-restricted bug reports linked from patch descriptions, security patches can be immediately identified for 260...

Implement VoIP Based IP Telephony with Open Source Asterisk Architecture

Asterisk is a leading open source telephony software/system, easily implemented over intranet and internet. Asterisk empowers developers and integrators to create advanced communication solutions. An Asterisk system is a low cost type of a traditional PBX system. Any phone controlled by an Asterisk system can call a VoIP or analog phone controlled or managed by a traditional telephone system or...