Information Extraction
Sentiment Analysis: Types, Tools, and Use Cases
What do you do before purchasing something that costs more than a pack of gum? Whether you want to treat yourself to new sneakers, a laptop, or an overseas tour, processing an order without checking out similar products or offers and reading reviews doesn't make much sense anymore. Thanks to comment sections on eCommerce sites, social nets, review platforms, or dedicated forums, you can learn a ton about a product or service and evaluate whether it's a good value for money. Other customers, including your potential clients, will do all the above. People's desire to engage with businesses and the overall brand perception depends heavily on public opinion.
The British Government Still Has No Idea Who Is Using the Facebook Data Cambridge Analytica Stole
Almost three years after Facebook was first alerted to a potential data breach committed by Cambridge Analytica, it is unclear how many people still have access to the data stolen by the company. The findings come in a report released Tuesday by the Information Commissioner's Office, a government agency in the UK that reports to Parliament. The investigation, which launched in May 2017, analyzed over 50 million pages of data seized from the now-defunct Cambridge Analytica. According to interviews with Cambridge Analytica employees, multiple attempts were made to delete the Facebook data misused by the company, but there still might be ad targeting tools that are based on data harvested by Facebook that have not been deleted. Facebook first learned of data leaks in 2015 when The Guardian reported Cambridge Analytica's involvement with Ted Cruz's presidential campaign.
Multi-channel discourse as an indicator for Bitcoin price and volume movements
This research aims to identify how Bitcoin-related news publications and online discourse are expressed in Bitcoin exchange movements of price and volume. Being inherently digital, all Bitcoin-related fundamental data (from exchanges, as well as transactional data directly from the blockchain) is available online, something that is not true for traditional businesses or currencies traded on exchanges. This makes Bitcoin an interesting subject for such research, as it enables the mapping of sentiment to fundamental events that might otherwise be inaccessible. Furthermore, Bitcoin discussion largely takes place on online forums and chat channels. In stock trading, the value of sentiment data in trading decisions has been demonstrated numerous times [1] [2] [3], and this research aims to determine whether there is value in such data for Bitcoin trading models. To achieve this, data over the year 2015 has been collected from Bitcointalk.org, (the biggest Bitcoin forum in post volume), established news sources such as Bloomberg and the Wall Street Journal, the complete /r/btc and /r/Bitcoin subreddits, and the bitcoin-otc and bitcoin-dev IRC channels. By analyzing this data on sentiment and volume, we find weak to moderate correlations between forum, news, and Reddit sentiment and movements in price and volume from 1 to 5 days after the sentiment was expressed. A Granger causality test confirms the predictive causality of the sentiment on the daily percentage price and volume movements, and at the same time underscores the predictive causality of market movements on sentiment expressions in online communities
5 Text Analytics Approaches: A Comprehensive Review - Thematic
Maybe you've used text analytics methods to analyze free-form textual feedback? Here, we break down 5 key text analytics approaches, and share examples of how text analytics is used by businesses today. Plus, you'll also get the bonus Text Analytics Cheat Sheet! Download the e-book now and get the bonus Text Analytics Cheat Sheet, too!
UK watchdog fines Facebook $644,000 over usersโ data breach in Cambridge Analytica scandal
In this file photo taken on March 21, 2018 A laptop showing the Facebook logo is held alongside a Cambridge Analytica sign at the entrance to the building housing the offices of Cambridge Analytica, in central London. LONDON โ Britain's Information Commissioner has slapped Facebook with a fine of 500,000 pounds ($644,000) โ the maximum possible โ for its behavior in the Cambridge Analytica scandal. The ICO's investigation found that between 2007 to 2014, Facebook processed the personal information of users unfairly by giving app developers access to their information without informed consent. The fine was the maximum allowed under the law at the time the breach occurred. Had the scandal taken place after new EU data protection rules went into effect, the amount would have been far higher.
Why Facebook Isn't Helping Its Users Who Got Hacked
Docked in Lewes, Delaware, is a 166-foot ship called the DELRIVER that is rarely called out of port. Nonetheless, it's staffed 24/7 by a four-person crew and stands ready for action at a moment's notice. The DELRIVER is an oil-spill response vessel, funded by the local oil industry to clean up spills in the Delaware Bay as soon as they happen. The last major spill in the area was in 2004, when the tanker Athos spewed 265,000 gallons of heavy crude from Venezuela into the Delaware River. The last spill of any kind that it responded to was a small diesel spill in 2014.
A Trove of Facebook Data Is a Spammer's Dream and Your Nightmare
When Facebook announced at the end of September that it had suffered a data breach that ultimately affected 30 million accounts, it seemed, perhaps, like the work of sophisticated nation state hackers. But a new report from The Wall Street Journal suggests spammers as the culprit instead. That shouldn't make you feel that much better, though, given just how much damage criminals can do with the kind of information stolen from Facebook. It was, after all, a lot. The sophisticated daisy chain attack that the hackers pulled off garnered the names, phone numbers, and email of 15 million Facebook users.
Spammers were behind recent Facebook data breach, company tentatively concludes
BENGALURU, INDIA โ Facebook has tentatively concluded that spammers looking to make money, and not a nation-state, were behind the largest-ever data theft at the social media company, the Wall Street Journal reported on Wednesday. The people behind the attack were a group of Facebook and Instagram spammers who present themselves as a digital marketing company and whose activities were previously known to Facebook's security team, the Journal reported, citing people familiar with the company's internal investigation. Last week, Facebook said cyberattackers had stolen data from 29 million Facebook accounts using an automated program that moved from one friend to the next, adding that the data theft had hit fewer than the 50 million profiles it initially reported. Facebook said in an email that it was cooperating with the Federal Bureau of Investigation on this matter. The breach has left users more vulnerable to targeted phishing attacks and could deepen unease about posting to a service whose privacy, moderation and security practices have been called into question by a number of scandals, cybersecurity experts and financial analysts have said.
WSJ: Facebook believes spammers were behind its massive data breach
More than two weeks after Facebook revealed a massive data breach, we still don't know who was using the flaw in its site to access information on tens of millions of users. Now the Wall Street Journal reports, based on anonymous sources, that the company believes spammers perpetrated the hack in an attempt to make money via deceptive advertising. Facebook eventually said that about 30 million people actually had their login tokens stolen (you can see if your account was among them by checking this page), and said that the attackers took account details and contact information. Still, the paper said "internal researchers" believe the people behind it are existing Facebook and Instagram spammers who claim to run a "digital marketing company." The lines between misinformation spread by nation-state sponsored trolls, shady analytics companies and spammers chasing trendy topics to make a buck have become increasingly blurred in recent years, so it's difficult to know if this adds up or if we'll ever know who exactly stole the information and where it ended up.
Spammers, not a nation state, behind Facebook data breach, report says
See what was stolen from all those Facebook accounts. SAN FRANCISCO -- Facebook believes spammers, not a nation state, were behind the data breach of 30 million accounts, according to a published report. The spammers aimed to make money through deceptive advertising and masqueraded as a digital marketing company, people familiar with the company's internal investigation told the Wall Street Journal. Facebook has declined to say who was behind the hack, which was the worst security breach in its history. Reached for comment by USA TODAY on Wednesday night, Facebook pointed to last week's statement from Guy Rosen, vice president of product management.