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Zero Day Exploit: Countdown to Darkness (Cyber-Fiction S.)There exists a 0-day vulnerability in a particular line of SCADA Master products that are widely used in petrochemical facilities. Furthermore, since the telemetry between the Master and the RTUs (the units located at valves, gauges, etc.) is particularly fragile under attack, the attackers are able to take a two-tiered approach to the damage they... | | Intelligent Document Retrieval: Exploiting Markup StructureCollections of digital documents can nowadays be found everywhere in institutions, universities or companies. Examples are Web sites or intranets. But searching them for information can still be painful. Searches often return either large numbers of matches or no suitable matches at all. Such document collections can vary a lot in size and how much... | | RFID Explained (Synthesis Lectures on Mobile and Pervasive Computing)This lecture provides an introduction to Radio Frequency Identification (RFID), a technology enabling automatic identification of objects at a distance without requiring line-of-sight. Electronic tagging can be divided into technologies that have a power source (active tags), and those that are powered by the tag interrogation signal (passive... |
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SQL Server Execution Plans
Every day, out in the various online forums devoted to SQL Server, and on Twitter, the same types of questions come up repeatedly: Why is this query running slowly? Why is SQL Server ignoring my index? Why does this query run quickly sometimes and slowly at others? My response is the same in each case: have you looked at the execution plan? An... | | Designing Embedded Processors: A Low Power PerspectiveAs we embrace the world of personal, portable, and perplexingly complex digital systems, it has befallen upon the bewildered designer to take advantage of the available transistors to produce a system which is small, fast, cheap and correct, yet possesses increased functionality.
Increasingly, these systems have to consume little energy.... | | Search Engine Optimization: An Hour a DayInfluence search engine results and bring targeted traffic to your website in just an hour day with the second edition of this bestselling SEO guide, Search Engine Optimization: An Hour a Day. Drawing on years of experience as successful SEO consultants, Jennifer Grappone and Gradiva Couzin provide detailed, practical, and often... |
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