June 2, 2019 Sonoff RF Bridge (before the firmware flashed) Turning a remote controller into a (WiFi) lamp switcher using a Sonoff RF bridge that converts a learned RF incoming signal to an MQTT… Share this:TweetWhatsAppPrintEmail
June 2, 2019 Battle of Time-series Database (TSDB) The rise of time-series database is accelerated by massive IoTs. It can provide users low latency queries & distributed storage. Competition of TSDB vendors… Share this:TweetWhatsAppPrintEmail
June 2, 2019 Integrating RF smoke sensors into Smart Home Reflecting from the fire in the Office of Ministry of Transportation This is an industrial-grade smoke detector that sounds very noisy and transmits an… Share this:TweetWhatsAppPrintEmail
June 1, 2019 Big data networking disruptive technology Investigating big data technology in my job also means observing the revolution in networking technology as the mean for transporting the data. For years,… Share this:TweetWhatsAppPrintEmail
June 1, 2019 Big Data Expo NL I was so lucky visiting the annual Big Data Expo @ Utrecht, the Netherlands on 19-20 September 2018 (https://www.bigdata-expo.nl/en) Here are some presentations I… Share this:TweetWhatsAppPrintEmail
June 1, 2019 Tensorframes: Tensorflow + Spark Combining data-intensive best solution (apache spark) and compute-intensive best approach (Tensorflow with GPU) results in Tensorframes. The speedup is remarkable. Hopefully, I could get… Share this:TweetWhatsAppPrintEmail
June 1, 2019 InfluxDB compression I’m always amazed at how people improve data storing technique, e.g., Influxdb, a time-series NoSQL database, that not only responds to a query very… Share this:TweetWhatsAppPrintEmail
June 1, 2019 Combining neural network and GPU in Google Cloud Platform Imagine we want to recognize/identify an object in the images streamed from camera feeds (such as to recognize thief/suspect at the immigration checkpoint, airports,… Share this:TweetWhatsAppPrintEmail
June 1, 2019 Polyglot data science applications There is no such a “Swiss Army knife” tool; every tool has its advantages in a certain circumstance, e.g., we know R has the… Share this:TweetWhatsAppPrintEmail
June 1, 2019 Why we need a big data platform such as Hadoop & Spark? On the last post, I mentioned that aggregating & sorting 100 million rows dataset (~ 2.4 GB) using monolithic approach takes 4 seconds to… Share this:TweetWhatsAppPrintEmail