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Big data is hot, but infrastructure-level platforms such as Hadoop, which focus on storage and processing, still need help to take them into the mainstream. They need a killer app or two that will let companies analyze, visualize and act on all that data without hiring a team of Stanford Ph.Ds, or that will let developers write big-data apps without having to reinvent the wheel.

Here are five startups (in alphabetical order) either in stealth mode or just out of it that could help take Hadoop and its ilk to the promised land.

1. BloomReach

The stealth-mode BloomReach is taking a very targeted, very hands-free approach to big data for its customers. It’s offering a SaaS-based product that job listings say is for “helping leading online businesses uncover the highest quality, most relevant content sought by their consumers, when and where they want it.” Founded by a team with roots at Google, Cisco, Facebook and Yahoo, among other companies, BloomReach has, according to one estimate, about 160 customers — all of them among the top 10,000 websites, and most of them in the retail space. Among its core technologies and methods are Hadoop, Lucene, Monte Carlo simulations and large-scale image processing.

2. Continuuity

Continuuity, the just-launched stealth-mode startup by former Yahoo VP and chief cloud architect Todd Papaioannou, wants to make it easier to build applications that can leverage both cloud computing and big data technologies. As Papaioannou told me recently, most developers shouldn’t have to go through what Yahoo, Facebook and others did in order to write large-scale, data-driven applications. He also said “the data fabric is the next middleware” and noted that the company name is a play on “continuum.” You figure out what it’s up to.

3. Odiago

Odiago is the brainchild of Hadoop and analytics experts Christophe Bisciglia and Aaron Kimball, and aims to improve the state of web analytics. Its first product, Wibidata, which is in private beta, lets websites better analyze their user data to build more-targeted features. It’s built atop Hadoop and HBase, but also plugs into companies’ existing data-management and BI tools. Current customers include Wikipedia, RichRelavance, FoneDoktor and Atlassian (with whom it shares office space).

4. Platfora

Platfora, which launched in September with $ 5.7 million in funding, wants to make big data analytics accessible to the masses. Founder and CEO Ben Werther, formerly of Greenplum and NoSQL startup DataStax, told me when Platfora launched that its intuitive, visually stunning interface will make Hadoop-based analytics so easy even a history major could use it. Platfora’s product isn’t available yet, but the company is currently hiring, with an emphasis on frontend and user-experience skills.

5. SkyTree

Skytree is probably the stealthiest of the group, but it’s also is one of the more ambitious — because it’s trying to bring high-performance machine learning to mainstream companies. Machine learning is an impressive technique in which the system itself gets smarter as it digests more data, but it usually doesn’t find its way out of research environments or cutting-edge analytics teams. Skytree is putting together an impressive team, including co-founder Alexander Gray, who also teaches machine learning at Georgia Tech and spent six years at NASA’s Jet Propulsion Laboratory. The company will officially launch later this quarter.

Feature image courtesy of Flickr user jurvetson.

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Google uses your search history to personalize the results for your future queries. That’s not a new feature, but it was only used to disambiguate queries and to change the order of the results.

Now you might also see a small message next to the snippet which explains that the result was picked because you’ve searched for a different keyword before. For example, if you search for [tablet] and then search for [asus] Google will include some tablet-related search results and even highlight a page about the Asus Transformer. Right now, this feature is only available in the US.

Sometimes this could be useful. Google connects the dots and tries to provide better results by using keywords from your previous searches. But that’s not always a good idea because two consecutive queries aren’t necessarily related. You could search for [html table] and [blackberry] and the second result for [blackberry] will be:

Google’s algorithms aren’t perfect and Google should provide an obvious way to hide the “enhanced” results. You can scroll to the bottom of the page, click “view customizations” and then click “without these improvements”, you can also “disable customizations based on search activity” if you aren’t logged in, but these options are cumbersome.

{ Thanks, Nick. }

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In an interesting presentation I mentioned yesterday, Jon Wiley, Google’s lead designer for search, showed some screenshots that showcase Google’s new interface.

There are many design changes that aren’t publicly released yet: the navigation bar disappears and it’s replaced by a small arrow next to Google’s logo that probably lets you choose a different service, the share button and the notification button have a new interface, the application menu has been moved next to the other action buttons, just like in Google Docs. The search options have been moved from the sidebar to the action bar, next to the application menu.

It’s likely that the new interfaces have been introduced gradually and the black navigation bar was just a temporary solution. The most striking evidence that these screenshots reveal some future updates is that Google Docs has recently added a new settings menu that seems redundant.

{ Thanks, Jérôme. }

Google Operating System

One of the hidden gems of Tuesday’s Google+ update is the Hangouts API, which allows third-party developers to build apps for the group video chat platform.

Developers will, for instance, be able to integrate videos from sites like Vimeo into Hangouts and allow users to watch them simultaneously. This could not only be a big boost for Hangouts and Google+, but also take social video watching online to the next level.

The API was announced on the Google+ platform blog:

“Today we’re launching the Developer Preview of the Hangouts API, another small piece of the Google+ platform. It enables you to add your own experiences to Hangouts and instantly build real-time applications, just like our first application, the built-in YouTube player.”

The current developer preview limits access to apps to a pre-defined group of users, and a few first examples include simple apps like a voting gadget. However, one only has to take a closer look at the built-in YouTube player to get a sense of how powerful this API can be. The player synchronizes YouTube videos, making it possible to watch clips with friends while also video chatting with them. If a user skips to the next video, that action is automatically relayed to the other participants.

Of course, the same functionality could also be utilized by other video platforms, or even by third-party developers who could make use of publicly available APIs to show videos from sites like Vimeo within Hangouts. Asked about this in a Google+ comment thread today, Hangouts API Product Lead Amit Fulay said: “Yes, you can write an app for Vimeo videos.” He added that apps have to comply with the Google+ developers terms of service, which forbid the use of some types of content.

The implications of this are pretty profound. I’ve long argued that Hangouts could take social interaction around online video to the next level by allowing users to talk to each other in real time, just as you would with family and friends in your living room. The Hangouts API now makes this possible for a wide range of video services, which could bring live sports streams hosted on Ustream or similar sites, or even TV content from sites like Hulu to Hangouts.

Of course, services would have to agree to work within the Google+ framework, but that shouldn’t be a show-stopper for many. Facebook is expected to launch social video integration with Hulu and other partners on Thursday, and it would only make sense for video platforms to embrace Google+ as well.

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