Image Recognition Neural Networks, Open Sourced
It's acceptable comma usage if you think of "open-sourced" as an adjective modifying "neural networks". A similar example of that would be "The Bill of Rights, Summarized".
Firefox Add-On To Track Your Location Via Wi-Fi
Wi-Fi location works kind of like Google Street View — someone drives around and collects information on the wireless devices in the area. All of this data is subsequently collected into a database, which is then used to look up locations based on the names and strengths of nearby networks.
Chinese Restaurant Suffers Large Translation Error
The Chinese text on the banner (can1 ting1) is simply a generic term for "dining hall" or "cafeteria", which makes this even funnier.