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Execs are talking about measuring tweet volume and the reach of those tweets, but isn’t the real value in figuring out what people think? It’s not worth touting that 200,000 people tweeted and 4 million people saw those tweets if the overall sentiment is that the show sucks. But given the history of shows such as “Arrested Development,” 20,000 of the right people tweeting about how great something is might be worth noting even if ratings aren’t high.

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In Brief

Hadoop startup WibiData has updated Kiji, its open source project that aims to make HBase a better (or easier) database for serving real-time applications. Among the updates in its latest SDK is an improved version of the KijiScoring feature. “Developers can now pass per-request settings to producer functions, greatly expanding the flexibility of real-time predictive model scoring. For example, a user’s current geolocation from mobile application can be factored in when re-computing which offers or recommendations to serve a user,” explains a press release.

In Brief

Guavus, a San Mateo, Calif.-based startup that specializes in analyzing the data coming off carrier networks, has hired former NetApp EVP Manish Goel as CEO. Goel replaces Anukool Lakhina, who founded the company and will stay on board to help drive its technology strategy, among other things. Guavus has raised $87 million in capital and claims some major wireless carriers as customers of its software that helps tie customer data to network activity.

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Ahead of our Mobilize event Oct. 16 and 17, we asked experts how 50 billion connected devices and 6 billion people change their industry. In this essay designer Alexandra Deschamps-Sonsino tackles the topic of privacy. Read more »

In Brief

Yelp has announced the winners of its inaugural Yelp Dataset Challenge, and the four entries it chose actually seem pretty useful. They run the gamut from a technique to highlight key words so users can read reviews faster to helping businesses predict whether they’ll see an uptick in activity on Yelp. Having read countless reviews giving restaurants low ratings even though the food was good, I think the entry that extracts subtopics (e.g., food, service, ambience) from restaurant reviews might be my favorite.

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Machine learning startup BigML now supports text data in its cloud-based prediction service. It has always analyzed numerical fields in complex datasets to determine the relationship between them and any given outcome, and how it will consider the importance of words, too. Read more »

In Brief

IBM is going to acquire a Dublin, Ireland-based company called The Now Factory, which specializes in providing customer and network analytics for wireless carriers. The idea is that better, faster data about their networks can help carriers optimize performance and better serve (or target) customers based on their usage behavior. The Now Factory seems similar in vision to the San Mateo, Calif.-based Guavus, and it seems logical the two will cross paths more often thanks to IBM’s global reach.

In Brief

Startup Dataguise has closed a $13 million series B investment round “led by Toba Capital with additional capital coming from the investment arm of a leading electronic conglomerate,” according to a press release. Dataguise’s biggest selling point might be its product designed to secure data within Hadoop. Aside from standard authentication, Fremont, Calif.-based Dataguise actually uses big data techniques to analyze data, determine what’s sensitive and then mask or encrypt it.

In Brief

Cloudera will be integrating with the Apache Accumulo database and, according to a press release, “devoting significant internal engineering resources to speed Accumulo’s development.” The National Security Agency created Accumulo and built in fine-grained authentication to ensure only authorized individuals could see ay given piece of data. Cloudera’s support could be bittersweet for Sqrrl, an Accumulo startup comprised of former NSA engineers and intelligence experts, which should benefit from a bigger ecosystem but whose sales might suffer if Accumulo makes its way into Cloudera’s Hadoop distribution.

EqualLogic and now DataGravity Co-founder Paula Long is very smart about storage technology. Right now, she’s looking at things like flash and cloud storage with a skeptical eye. They’re valuable and will become more valuable, she says, but only when they’re done right. Read more »

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It might have priced in the lower range of its purported value, but enterprise tech stocks have done pretty well recently and Violin has been one the bigger companies in a red-hot flash market. More interesting in the long run might be how Violin’s IPO affects — or is affected — by planned IPOs for smaller flash vendors like Pure Storage and Nimble Storage. Expect an update on the Violin public offering on Friday.

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