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Types of Graphs | Graphs.net

Types of Graphs | Graphs.net | Data & Informatics | Scoop.it
Graphs are a visual treat, as they can present complex information in a quick and easy manner. Mostly graphs are used to reveal a trend, compare statistics or

Via Beth Kanter
Stephen Dale's insight:

A useful overview of different types of graphs and where they might be used.

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Beth Kanter's curator insight, December 30, 2012 1:07 PM

Handy cheat sheet for picking the right chart and graph.  Text description and infographic.    

Data & Informatics
The application and usage of data along with the interaction between people, organisations and technology
Curated by Stephen Dale
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Social Media Strategy: Why Insight and Evidence is So Important

Social Media Strategy: Why Insight and Evidence is So Important | Data & Informatics | Scoop.it

Via janlgordon
Stephen Dale's insight:

A timely call for a dispassionate, unbiassed and "agnostic" analysis of data to discover what it is really telling us, and then acting on this information. Sounds obvious? Then why are we so often misled through our ignorance of good and accurate data analysis? 

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Ivon Prefontaine's curator insight, May 21, 2013 3:28 PM

"It’s been said that 85% of the people who work in social media have been in the industry for less than two years. I think it was LinkedIn who first suggested this, but it often explains why there is so much bad advice floating around, so many poorly devised strategic plans and so much money wasted on failed campaigns." We have serious problems because many are self-appointed leaders.

Mott Marvin Kornicki's curator insight, June 19, 2013 6:00 PM

Social Media Strategy: Why Insight and Evidence is So Important | @scoopit via @janlgordon http://sco.lt/...

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Big data: are we making a big mistake? - FT.com

Big data: are we making a big mistake? - FT.com | Data & Informatics | Scoop.it
Five years ago, a team of researchers from Google announced a remarkable achievement in one of the world’s top scientific journals, Nature. Without needing the results of a single medical check-up, they were nevertheless able to track the spread of
Stephen Dale's insight:

A highly recommended article from the FT, questioning the massive hype around Big Data - with four case studies that reinforce why we need to critically question the quality, accuracy and relevance of the information that current big data analytics and search algorithms reveal.

 

From the article:

 

"Recall big data’s four articles of faith. Uncanny accuracy is easy to overrate if we simply ignore false positives.

 

The claim that causation has been “knocked off its pedestal” is fine if we are making predictions in a stable environment but not if the world is changing or if we ourselves hope to change it.

 

The promise that “N = All”, and therefore that sampling bias does not matter, is simply not true in most cases that count. As for the idea that “with enough data, the numbers speak for themselves” – that seems hopelessly naive in data sets where spurious patterns vastly outnumber genuine discoveries.

 

“Big data” has arrived, but big insights have not. The challenge now is to solve new problems and gain new answers – without making the same old statistical mistakes on a grander scale than ever."

 

Insight: 9/10

Relevance: 9/10 

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7 Big Problems with the Internet of Things

7 Big Problems with the Internet of Things | Data & Informatics | Scoop.it
Reality is beginning to bite the Internet of Things (IoT). After months of enthusiastic discussion about  the opportunities it will provide and how much it will be worth, many of those looking to play in the IoT space are starting to look at the potential problems, including data management.  Though everyone knows managing data will be a problem once the IoT is up and running at full scale, few have really considered the potential data storage problems. Topic: Internet of Things.
Stephen Dale's insight:

A recent Gartner Report identifies seven key issues with the Internet of Things (IoT):

 

1. Security: Many industry-specific security platforms are being developed for specialist areas like industrialized systems, medical equipment, and air and defense sectors and, in many cases, being integrated into the platforms being developed by equipment providers for those industries.


2. Enterprises: There will be significant security challenges from the increasing amount of data with the myriad of devices increasing security complexity.


3. Consumer Privacy: The challenge of securing the personal data of individuals as the consumer goods they use become increasingly digitized.


4. Data: IT administrators that are already tasked with keeping the storage centers running, will also have to figure out how to store, protect and make all the incoming data accessible.


5. Storage Management: Businesses will have weigh up the economics of storage against the value of IoT information.


6. Server Technologies: Some organizations that manage and consume data collected from a huge array of devices will require additional compute capacity and may well increase server budgets if there is a business case for it.


7. Data Centre Network: Existing data center WAN (Wide Area Network) links have been built for moderate-bandwidth requirements created by our current use of technology. However, as the amount of data being transferred is set to increase dramatically, the need for expanded bandwidth grows.

 

The risk., therefore, is ensuring that real-time business processes are not impacted by the data management overheads of the IoT.

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The definitive list of analytics and metrics tools - Web Design and Web Development Agency based in Palma de Mallorca, Baleares, Spain - MA-NO Web Design and Development

The definitive list of analytics and metrics tools - Web Design and Web Development Agency based in Palma de Mallorca, Baleares, Spain - MA-NO Web Design and Development | Data & Informatics | Scoop.it
Stephen Dale's insight:

A useful curated list of data analytic tools, covering free web services, self-hosted software packages and log file analyzers. 

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Videos on Data Analysis with R: Introductory, Intermediate, and Advanced Resources

Stephen Dale's insight:

A useful set of resources on "R".

 

R is a language and environment for statistical computing and graphics. It is a GNU project which is similar to the S language and environment which was developed at Bell Laboratories (formerly AT&T, now Lucent Technologies) by John Chambers and colleagues. R can be considered as a different implementation of S. There are some important differences, but much code written for S runs unaltered under R.

 

R provides a wide variety of statistical (linear and nonlinear modelling, classical statistical tests, time-series analysis, classification, clustering, ...) and graphical techniques, and is highly extensible. The S language is often the vehicle of choice for research in statistical methodology, and R provides an Open Source route to participation in that activity.

 

One of R's strengths is the ease with which well-designed publication-quality plots can be produced, including mathematical symbols and formulae where needed. Great care has been taken over the defaults for the minor design choices in graphics, but the user retains full control.

 

R is available as Free Software under the terms of the Free Software Foundation's GNU General Public License in source code form. It compiles and runs on a wide variety of UNIX platforms and similar systems (including FreeBSD and Linux), Windows and MacOS.

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Karen R. Harker's curator insight, January 17, 7:22 PM

I am going to need these... I've just gotten the OK from my POW to take a 4-week course on analyzing count data that uses R.  

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OpenRefine

OpenRefine | Data & Informatics | Scoop.it
OpenRefine : A free, open source, power tool for working with messy data
Stephen Dale's insight:

OpenRefine (ex-Google Refine) is a powerful tool for working with messy data, cleaning it, transforming it from one format into another, extending it with web services, and linking it to databases like Freebase.

 

Note that since October 2nd, 2012, Google is not supporting actively this project which have been rebranded to OpenRefine. Project development, documentation and promotion is now fully supported by volunteers. Find out more about the history of OpenRefine and how you can help the community.

 
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Why the world needs OpenStreetMap - emacsen.net

Every time I tell someone about OpenStreetMap, they inevitably ask
“Why not use Google Maps?”. From a practical standpoint, it’s a …
Stephen Dale's insight:

The relative merits of using an open data mapping solution - OpenStreeMap vs. proprietary alternatives available from Google or Apple.

 

In terms of map content, OpenStreetMap is both neutral and transparent. OpenStreetMap is a wiki-like map that anyone in the world can edit. If a store is missing from the map, it can be added in, by a store owner or even a customer. In terms of display (rendering), each person or company who creates a map is free to render it how they like, but the main map on OpenStreetMap.org uses FLOSS (Free/Libre Open Source Software) rendering software and a liberally licensed stylesheet which anyone can build on. In other words, someone who cares can always create their own maps based on the same data.


#opendata

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44% of Links Go Lost: To Preserve Valuable Content Online Will Become a Prime Need

44% of Links Go Lost: To Preserve Valuable Content Online Will Become a Prime Need | Data & Informatics | Scoop.it

Via Robin Good
Stephen Dale's insight:

Some worrying trends - which raises the question on whether Information Management standards are being gradually eroded or ignored. 

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Christel Binnie's comment, December 29, 2013 3:26 PM
Duh, of course. Thanks Robin. :-)
Peinture Deco's curator insight, January 2, 11:41 PM
Devis Peinture-Entreprise Peinture Déco-Essonne-91-Evry-Paris ...www.entreprisepeinturedeco.fr/devis-peintures/devis-peinture/‎Vous souhaitez avoir nos conseil sur comment choisir un devis peinture? Entreprise Peinture Déco-Essonne-91-Evry-Paris-toile de verre m2-prix.
pilar arroyo's curator insight, March 5, 10:08 AM

Scoop del maestro Robin Good en el que se evidencia la necesidad de preservar el contenido online, especialmente en el caso de información institucional y gubernamental que es la que tiene mayor índice de desaparición.

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Content Curation and Preservation: How To Archive Digital Documents Reliably

Content Curation and Preservation: How To Archive Digital Documents Reliably | Data & Informatics | Scoop.it

Via Robin Good
Stephen Dale's insight:

A useful guide to the art of digital archiving.

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ghbrett's curator insight, October 29, 2013 5:08 PM

Be sure to check out Robin Good's comments below.

Darryl Barnaby's curator insight, October 30, 2013 6:05 AM

Guidance on how to best preserve media.

Alfredo Corell's curator insight, November 2, 2013 5:38 PM

Interesting post about archieving digital documents in a realiable way

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The Best Social Networks for B2B Companies [INFOGRAPHIC]

The Best Social Networks for B2B Companies [INFOGRAPHIC] | Data & Informatics | Scoop.it

There are a lot of challenges in the B2B space, but the most common use for social media among B2B companies is plain and simple: to build awareness.


Via Baochi
Stephen Dale's insight:

An interesting social media infographic that contains statistics about which social platforms B2B marketers are currently using the most and how they are using them. Twitter and LinkedIn are the most-used social networks in the B2B space.

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Stephen Dale's curator insight, October 27, 2013 3:07 AM

n interesting social media infographic that contains statistics about which social platforms B2B marketers are currently using the most and how they are using them. Twitter and LinkedIn are the most-used social networks in the B2B space.

Bart van Maanen's curator insight, October 28, 2013 4:13 AM

Zorgen voor online  attentie is voor bedrijven in b2b de belangrijkste reden om professioneel aandacht te besteden aan social media. Deze infografiek (VS) wil laten zien welke netwerken daarbij het bets werken.

Tim Fernback's curator insight, October 28, 2013 10:57 AM

Great article and infographic on B2B companies use social networking.  Featuring LinkedIn, Youtube, Facebook and Twitter.  Great information on B2B engagement using LinkedIn (industries and how it is used primarily by B2B companies).

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Home | UK Data Explorer

Home | UK Data Explorer | Data & Informatics | Scoop.it
Tools for browsing and charting UK public data.
Stephen Dale's insight:

An excellent facility for browsing, analysing and charting UK public data. This site was created by James Trimble, a computing science student at Glasgow University.

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Google Alters Search to Handle More Complex Queries

Google Alters Search to Handle More Complex Queries | Data & Informatics | Scoop.it
Google made one of the biggest-ever changes in its search engine, as part of a shift away from matching keywords on Web pages to understanding the meaning of search queries.

Via Howard Rheingold
Stephen Dale's insight:

The new algorithim - Hummingbird - appears to build on Google's previously announced Knowledge Graph technology, which uses linked data techniques to establish relationships (semantic web). The change was implemented over 1 month ago.... have we noticed the difference? 

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Ken Morrison's curator insight, October 2, 2013 4:52 PM

I went to a Google Apps For Education Summit last weekend. They did not say much about these changes, but interesting ideas were shared among participants.  

Lenovo Global Social Media Practice's curator insight, October 9, 2013 3:34 AM

You may have heard about Google Hummingbird. It's an important innovation with the Google search algorithm that understands the meaning of the search query rather than simply using the keywords - sometimes called Semantic Search. They have also announced that users can now conduct searches on hashtags.

As Social Media and Search become more integrated, Social Search will positively impact the effectiveness of Social Media Marketing

Lenovo Global Social Media Practice's curator insight, October 14, 2013 4:02 AM

More on the changes made to Google Search... 

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You Can Now Search for Any Tweet in History

You Can Now Search for Any Tweet in History | Data & Informatics | Scoop.it
Search for any tweet in history -- all 425 billion tweets, videos, images, blog posts and location pins dating back to Jack Dorsey's first tweet in 2006.
Stephen Dale's insight:

A useful service for anyone doing trend analysis or other research. Offered as a free service or a paid for Pro service, that provides a range of analyticla reports, alerts and who the social influencers are for your product, brand or topic.

 

In August, Topsy opened its API to developers, allowing them to use Twitter data more creatively in other applications.


A good research tool for anyone interested in Social Network Analysis (SNA)

 

 

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CRAAP Test: Evaluating Information Sources


Via Susan Bainbridge
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Some useful guidelines to aid critical thinking. #curation

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niftyjock's curator insight, April 8, 3:08 PM

I love check-lists

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Algorithms: The Glue Between Content, Data and Insight

Algorithms: The Glue Between Content, Data and Insight | Data & Informatics | Scoop.it

Via Robin Good
Stephen Dale's insight:

"We are in the era of the algorithm. They decide what news we will see, they decide which person is important and they will even merge more and more into our non-digital lives.

 

But the biggest and realest danger lies in us. If we believe that there is only one truth and that is the one generated by a black-box algorithm we might be deceived easily."

 

A reminder, then, that algorithm's should not take the place of critical thinking.

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Robin Good's curator insight, March 24, 11:25 AM


Lutz Finger, reports from SxSW on the topic of algorithms, curation and the future, as the skills of content creators, data analysts and code programmers are seemingly converging for the first time. 


Among others, he reports Steve Rosenbaum (founder of Magnify.net) significant own words at SxSW: "...a wise combination of human judgement enabled by algorithms will become the new king of content."


But while there are great new tools, startups and ideas leveraging the great potential of big data and human curation, there is a big, invisible danger, still looming on us.


"The danger is that any algorithm might fall prey to someone trying to influence it.

This might be the ones programming the algorithm or the users. We for instance saw governments trying to skew algorithms by introducing fake online personas (
Learn more about the US government persona-management software).
 

But the biggest and realest danger lies in us.

If we believe that there is only one truth and that is the one generated by a black-box algorithm we might be deceived easily."



Informative. Resourceful. 7/10



Full article: http://www.linkedin.com/today/post/article/20140320132545-6074593-the-age-of-the-algorithms-sxsw-summary 


See also: www.masternewmedia.org/future-of-search


Image: Bjoern Ognibeni - SxSW




Georges Millet's curator insight, March 25, 1:10 AM

Knowledge & life turning today into a (google) search. Algorithms are key!  

Mariale Peñalosa Arguijo's curator insight, March 26, 6:44 AM

 

 10
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A recipe for data: lessons from EUDAT

A recipe for data: lessons from EUDAT | Data & Informatics | Scoop.it
EUDAT understands what is important when it comes to common data services.
Stephen Dale's insight:

EUDAT provides an integrated solution for finding, sharing, storing, replicating, staging and performing computations with primary and secondary research data. EUDAT is currently rolling out its first set of data services, with more to come in 2014. Based on your data needs you can pick one or more:-

 

B2SHARE: a user-friendly, reliable and trustworthy way for researchers and communities to store and share small-scale research data coming from diverse contexts.

 

B2SAFE: a robust, safe and highly-available replication service allowing community and departmental repositories to replicate and preserve their research data. Different access and deployment options are offered which range from tailored solutions for Fedora and DSpace repository systems via simplified utilization options to a full integration of repositories with the network of EUDAT data nodes.

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Curate and Publish Searchable Databases with freeDive


Via Robin Good
Stephen Dale's insight:

Looks like a useful - and free to use - resource for the commited data analyst/researcher.

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Robin Good's curator insight, January 16, 7:27 AM


freeDive allows anyone to use Google spreadsheets to build searchable databases that can be personalized, curated and published online.


Key features include: 

  • Results are presented in an interactive, sortable table 
  • Wizard walks you through creating a search widget
  • Customize the interface with your filters
  • Embed code to publish anywhere 
  • Open-source



Free to use.



Built by Len De Groot and Scot Hacker





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The Future of Search May Not Be About Google: It's You In The End Who Will Decide

The Future of Search May Not Be About Google: It's You In The End Who Will Decide | Data & Informatics | Scoop.it
There is a evil side of Google which revealed itself in the Filter Bubble, invasion of privacy, the lack of transparency, in the monopoly induction of behavior and especially in what is happening in the search environment.

Via Robin Good
Stephen Dale's insight:

People who use Google are given the impression that they are interacting with the data out there, but they are actually interacting with Google and its view of the world.

 

"They are prediction engines that constantly refine a theory about who you are and what you are going to do or want next. Together, they create an universe of data for each one of us."

"In a 2010 paper published in the Scientific American journal, Tim Berners-Lee warned about companies developing ever more “closed” products and “data islands”.

"Morville, in his book Search Patterns, says that the first and second results receive 80% of attention. The vertical approach suggests to the user the idea of a single result that fully answers the question, enclosing possibilities and preventing alternative realization."


Or in other words, is our acceptance of what we see in search results eroding our ability (or willingness) to consider alternatives and employ critical thinking?

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Claude Terosier's curator insight, January 12, 11:44 PM

"we should worry about search engines becoming the arbiters of truth." De l'importance de comprendre comment on accède à l'information et de reprendre la main.

Lucy Beaton's curator insight, January 16, 5:21 PM

This is alarming.  We, as Teacher Librarians, need to be aware of the ramifications of this.

Mrs. Dilling's curator insight, February 13, 8:52 AM

My favorite statement, "we must always be aware and well informed about the intentions of companies, and never stop having multiple options for any service."

 

This article was an eye opener for me. I had never questioned Google before.

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How the NSA (may have) put a backdoor in RSA’s cryptography: A technical primer

How the NSA (may have) put a backdoor in RSA’s cryptography: A technical primer | Data & Informatics | Scoop.it
Here are the basics on backdoors in security systems.
Stephen Dale's insight:

Up until recently, Dual EC_DRBG was the default random number generator for several cryptographic products from RSA (the security division of EMC), even though cryptographers havelong been skeptical of the algorithm’s design. There are reports of impropriety connecting a $10 million investment by the United States government and RSA’s decision to use this obscure and widely maligned algorithm in their widely distributed products.

 

It is very difficult to implement a secure system. Backdoors can be introduced at the software, hardware, or even algorithm level. Algorithms backed by standards are not necessarily safe or free of backdoors. Some lessons to take away from this exercise are:

Even secure cryptographic functions can be weakened if there isn't a good source of randomness.Randomness in deterministic systems like computers is very hard to do correctly.Adding unpredictable sources of entropy can help increase randomness and, in turn, secure algorithms from these types of attacks 

Security-conscious engineers understand this fact and take pains to make sure that the randomness in their cryptographic systems is truly random. Steps include extracting entropy from the physical world, monitoring system entropy levels, using a hardware random number generator to mix in extra entropy, and not relying on a single random number generator as the source of all randomness.

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Semantic, linked and smart data - predictions for 2014

Semantic, linked and smart data - predictions for 2014 | Data & Informatics | Scoop.it
Stephen Dale's insight:

Quite a lot to digest here, though the overall sentiment is positive for development and innovation around open and linked data. Actual products as opposed to proofs, pilots and concepts.

 

There is also renewed optimism that the Semantic Web can deliver on its original vision, Semantic Web 2.0 (my term) utilising 'cognition-as-as-service' (CaaS), and building bridges between 'Big Data' and the Semantic Web in order to rurn unstructured chaos into higher level insights.

 

The following abstract caught my eye:

 

"One less obvious problem is one of information retrieval. Keyword search is now fundamentally broken. The more information is out there, the worse keyword search performs. Advanced query systems like Facebook’s Graph Search or Wolfram Alpha are only marginally better than keyword search. Even conversation engines like Siri have a fundamental problem. No one knows what questions to ask. We need a web in which information (both questions and answers) finds you based on how your attention, emotions and thinking interconnects with the rest of the world. " 

 

Sounds good if a little utopian.

 

Overall, some useful insights in this piece. #opendata #linkeddata

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Data Visualization 101

Data Visualization 101 | Data & Informatics | Scoop.it
Where we give a few tips about which type of data visualization you should use to convey a specific type of message.
Stephen Dale's insight:

The art of data visualization and data storytelling should be accessible to anyone, including non experts. That's our mission.

Data Visualization is the art of conveying simple messages, one at a time, with simple charts.

 

A useful and simple introduction to the art of using data visualization to convey a story.

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Open data: Unlocking innovation and performance with liquid information | McKinsey & Company

Open data: Unlocking innovation and performance with liquid information | McKinsey & Company | Data & Informatics | Scoop.it
Open data—public information and shared data from private sources—can help create $3 trillion a year of value in seven areas of the global economy. A McKinsey Global Institute article.
Stephen Dale's insight:

This research focuses on quantifying the potential value of using open data in seven “domains” of the global economy: education, transportation, consumer products, electricity, oil and gas, health care, and consumer finance. McKinsey identify the “levers” through which open data can create economic value and also explore the barriers to adoption and “enablers” for capturing value by making data more open. #opendata

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Predictive Policing: Preventing Crime with Data and Analytics | IBM Center for the Business of Government

Predictive Policing: Preventing Crime with Data and Analytics | IBM Center for the Business of Government | Data & Informatics | Scoop.it
In this report, Dr. Bachner tells compelling stories of how new policing approaches in communities are turning traditional police officers into “data detectives.”
Stephen Dale's insight:

Decision-making in all sectors of society is increasingly driven by data and analytics . Both government entities and private organisations are collecting, analyzing, and interpreting tremendous amounts of quantitative information to maximise efficiency and output . Law enforcement agencies are on the frontier of the data revolution .

 

Crime analysts are now leveraging access to more data and using innovative software to generate predictions about where crime is likely to occur and where suspects are likely to be located . This is often referred to as predictive policing, and it helps police prevent crime from occurring . Predictive policing can also be used to solve open cases. #sna

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In the Future, Only Rich People Can Afford to Keep Their Emails Secret

In the Future, Only Rich People Can Afford to Keep Their Emails Secret | Data & Informatics | Scoop.it
When Edward Snowden communicated with Glenn Greenwald and Laura Poitras, the journalists to whom he
Stephen Dale's insight:

On the back of the Edward Snowden revelations, more of us are becoming aware of the level and degree of Government/State digital surveillance, and whilst we can accept that there are legitimate reasons for this, e.g. to gather intelligence  of terrorist activities, there is the inevitable concern that this data (our data) may be misused, misappropriated or even sold to third parties. And not forgetting the private sector, where emerging social analytical tools are being used by marketing departments to track our digital trail.

 

This article reinforces the view that there may ultimately be two classes of consumers using the internet; those who can afford to pay a premium to remain protected and private and those who cannot.   A whole new economy of companies who provide anonymous search, super-encrypted email and document sharing, and protected document storage etc. are blossoming.  Are we approaching the point whereby the Internet will become like an airplane with first class and economy seats? I'm beginning to think so.

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How Klout Is Twerking Your Mind About Influence

How Klout Is Twerking Your Mind About Influence | Data & Informatics | Scoop.it

...By calling social scores “Influence Scores,” companies like Klout (who’s tagline is “The Standard For Influence”) have set expectations in the market that influence can be measured with scoring algorithms. However, influence is much more complex.

 

By setting the wrong expectations, social scoring companies have changed how marketing and PR professionals think about influence, and how to identify it. Instead of finding influencers from a context and audience approach, marketing and PR professionals look at metrics like follower count, unique visitors, and social scores to get a glimpse on who’s “influential,” which in most cases doesn’t work – popularity doesn’t necessarily equal influence....


Via Jeff Domansky
Stephen Dale's insight:

This quote from the article says it all for me:

 

It’s not the size of the influencer’s audience that matters, or even how/if the influencer talks about your brand. What matters is how others react to what the influencer says about your brand.

 

Another example of how we get misled by not understanding the meaning of numbers - e.g. a high Klout/Peerindex/Kred score.  

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Jeff Domansky's curator insight, September 5, 2013 11:02 AM

Social cred or socially awkward? A thoughtful post that raises some interesting questions about social influence, twerking or not.

Ali Anani's curator insight, September 5, 2013 9:21 PM

Scores that are not

Chris Decroix's curator insight, September 9, 2013 12:26 AM

Measuring social influence isn't all about popularity on social networks...

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Openly Local :: Making Local Government More Transparent ::

Openly Local :: Making Local Government More Transparent :: | Data & Informatics | Scoop.it
Opening Up Local Government Data
Stephen Dale's insight:

Openly Local is a project to develop an open and unified way of accessing Local Government information. #opendata #localgov

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