New Concept Yandex.Browser Boosts Privacy and Launches as Beta
21 May, 2015
The minimalist concept version of our Yandex.Browser launched at the end of last year to respond to the highly interactive nature of contemporary web browsing is now available as a beta version, which is designed to also address the rising demand for personal privacy.
To meet the expectations of those users who would like to have more control over their digital footprint, we’re now rolling out a much more private beta version of the experimental Yandex.Browser, available in 15 languages, including English, German, Portuguese, Spanish and French.
Unlike in most browsers, sending the information about users’ behaviour to the developer (i.e. Yandex) in the private version of Yandex.Browser is disabled by default. While sharing browsing history and web cache can in principle be disabled in other browsers, this opportunity isn’t normally offered as a default option. Sharing users’ information helps developers better understand their behaviour and offer them a better browsing experience. The problem is that the right to make a decision whether to share this information is effectively removed from the user – few can find a pathway to customised privacy settings in a browser.
In addition to data sharing disabled by default, Yandex.Browser provides the ‘Stealth Mode’ option, which blocks analytics cookies, sharing plugins etc. This mode is activated by clicking a button conveniently located right next to the browser’s ‘smartbox’, a combined search and address bar, at the top of the screen. The source code of the built-in blocking extension was developed by AdGuard and is available on Github for anyone to see.
Safe browsing, as well as search suggestions appearing in the browser’s smartbox, is the feature indispensible for contemporary browsing that relies on sharing user information, albeit in an anonymised form. The safe browsing technology allows us to warn the user about unsafe websites. Each fraudulent or potentially harmful website that we identify in the process of indexing more than 30 million webpages every day is logged in our proprietary cloud database. Every time a user is about to visit a website, the website’s address is automatically checked against this database to see if it might be there and whether a warning should be shown.
We have modified the safe browsing technology to use it in our privacy-conscious version of Yandex.Browser. Instead of sending the full address of a website the user is about to visit to Yandex in order to check this address against the database of potentially harmful websites, Yandex.Browser only uses a fraction of a ‘hash’ of this website, which is checked against a ‘hashed’ database of potentially harmful websites on the user’s own computer. The browser uploads a ‘shell’ of this database to the user’s computer at the first launch. This database is then ready to be ‘filled’ with fractions of ‘hashed’ website addresses the user intends to visit. To keep this database updated and the user safe, Yandex.Browser synchs the database on the user’s computer with Yandex’s cloud database every hour, using only fractions of each hash.
Search suggestions in the browser’s smartbox give instant answers to users’ search queries without redirecting them to search results pages. The users of Yandex.Browser can at the first launch choose a default search provider from a selection of three, which varies depending on the user’s location.
To generate search suggestions, predict search terms and offer instant results without redirecting the user to the search results page, the browser has to share the search terms with the search provider as the user enters them into the browser’s smartbox. This option is enabled by default in Yandex.Browser. Although this type of data sharing can be disabled in settings, its benefits massively outweigh privacy risks. Also, web users have an opportunity to add any search provider they trust to the browser and set it as the default.
One of the flagship features of the new Yandex.Browser is rich search suggestions, which instantly take the user directly to the website, or even specific page on a specific website, via a widget and bypassing the search results page. Similarly, simple, straightforward searches in the smartbox of the new Yandex.Browser will retrieve simple and straightforward results right in the browser.
Other automated features essential for the contemporary web surfing, such as sending crash reports, resolving web navigation errors, or the autofill function, involve sharing users’ information in one form or another. These features remain enabled by default. The user has full control over this aspect of their browsing experience and can disable any or all of these features.
The beta version of experimental Yandex.Browser retains its minimalist look to offer the user unhindered experience interacting with the website. Browser tabs can now be toggled within groups, while tab groups can be moved within windows. Website information, the smartbox and favourite websites are hidden when not in use and can be summoned by clicking on the website’s header in Yandex.Browser.
Just like the alpha version of experimental Yandex.Browser, the beta version is available for Windows and OS X and can be downloaded at browser.yandex.com.
Yandex.Market Helps International Retailers Reach Russian Consumers
30 March, 2015
Russian online consumers are avid cross-border shoppers, and this trend is growing. According to a survey conducted by a market research firm GFK, about half of web shoppers in Russia made at least one purchase from an online retailer in EU, China or US last year, up from 36% in 2013.
Source: GfK, August-September 2014
While the most popular shopping destinations are traditionally the online market giants - AlibabaExpress and eBay - the niche for smaller businesses accepting payments from Russia and delivering shipments to this country is quickly expanding. Yandex.Market, a leading comparison shopping service, is in a position to accommodate the needs of international retailers wishing to sell their products to Russian customers by utilising all the benefits of a technologically advanced platform with over 16,000 stores, 68 million product offers and 22.3 million unique visitors per month (December 2014, comScore Media Metrix).
Now, international web stores have an opportunity to showcase their offers on Yandex.Market to target those customers who look to buy products specifically outside of Russia. Product search on Yandex.Market is designed to deliver the most relevant results with the best combination of customer service criteria, including time of delivery or specific payment options. This automatically gives domestic retailers an edge over international companies who are often limited in their customer service opportunities in Russia. Cross-border shoppers, however, are prepared to put up with longer delivery times or inconvenient payment methods for the sake of unique product selection or better price. They can now filter product offers from international stores from the millions of items available on Yandex.Market to instantly see them on top of other search results – including price in roubles, delivery options and a link to full product information.
According to GfK, product categories most popular with Russian consumers are clothing, makeup products, perfume, accessories and products for children and babies. International product offers in these categories are currently available on Yandex.Market and soon will be expanding to add new groups, which continuously grow in popularity, such as consumer electronics and gadgets from Chinese retailers, for instance.
Any online store anywhere in the world can join Yandex.Market by providing customers with a landing page in Russian, an opportunity to have their purchase delivered to a Russian address, as well as an opportunity to pay for purchases in Russia via a bankcard or electronic money. International retailers will soon be able to benefit from a universal payment solution provided by Yandex, which will allow web stores outside of Russia to receive payments from Russian customers regardless of their method.
Dozens of retailers, including UK's Asos.com, China's LightInTheBox, Germany's Kidsroom.de, a US website Shopbop.com, and Italian Yoox, are already offering their products to Russian consumers via Yandex.Market, and with the new functionality their number is expected to grow.
Yandex Data Factory Predicts ‘Churn’ for World of Tanks
2 March, 2015
Customer loyalty and satisfaction is crucial in community-based gaming, where every single player matters, and devoted, experienced gamers are especially valuable for the game. Our big data unit,Yandex Data Factory, took game churn prediction – knowing how many gamers are likely to leave the game – to another level. Wargaming, an international MMOG developer, whose game World of Tanks, one of the world’s most financially successful games, with over 100 million registered players, can now determine more accurate which players are likely to stop playing soon and take measures to prevent that.
The challenge presented to the YDF team was to help increase WoT players’ loyalty and satisfaction with a minimal effort and at a minimal cost. To approach this challenge, a sample dataset of 100,000 random players who had 20 games or more in the past year was selected – this was done to exclude those who joined the game by accident or just to have a try. Based on a similar concept used in telecom and Wargaming’s own understanding, YDF analysts defined a ‘churner’ as a player who had zero games in the month following a gaming session. Next, the raw data for the ‘churners’, which included over 100 parameters – personal (obfuscated payment balances, purchase logs, etc.), as well as gaming (game logs, number of battles, battle types, number of destroyed tanks, clan battles data, free experience etc.) – was fed to our proprietary machine-learning algorithm, MatrixNet, to find similarities in gamers' behaviour and personal profiles. In result, a probability of churn was assigned to every gamer in the dataset.
WoT could then apply this churn prediction formula to the whole gaming community to spot top potential churners and target customer retention measures, such as special offers, new frictions, bonuses or community activities, specifically to them. The accuracy of YDF formula’s churn prediction measured at least 20-30% better than the current standard used in the gaming industry. Churn prevention – developing a formula for personalised retention measures – is the next challenge that YDF is ready to take on. Read more about YDF's churn prediction project for Wargaming.
Yandex’s School of Data Analysis Joins LHCb Collaboration
13 January, 2015
The Yandex School of Data Analysis has joined in collaboration with CERN’s Large Hadron Collider beauty (LHCb) experiment. The project is one of four large particle detector experiments at the Large Hadron Collider, and collects data to study the interactions of heavy particles, called b-hadrons.
As a result of this collaboration, the LHCb researchers will receive continuous support from existing applications (EventIndex, EventFilter) and the development of new services designed for the LHCb by the Yandex School of Data Analysis. YSDA will contribute its data processing skills and capabilities, and perform interdisciplinary research and development on the edge of physics and data science that will serve the aims and needs of the LHCb experiment.
LHCb experiment. Photo by Tim Parchikov.
The researchers at the LHCb experiment are seeking, among other things, to explain the imbalance of matter and antimatter in the observable universe. This programme requires collecting, processing and analysing a very large amount of data. Yandex has already been contributing its search technologies, computing capabilities and machine-learning methods to the LHCb experiment since 2011, helping the physicists gain quick access to the data they need. Since January 2013, Yandex has been providing its core machine-learning technology MatrixNet for the needs of particle physics as an associate member of CERN openlab, CERN’s collaboration with industrial partners.
The Yandex School of Data Analysis is now part of the game, with its exceptional talent, a strong tradition in hard-core mathematics, and proven experience of converting new theoretical knowledge into practical solutions. The YSDA is the only member of the LHCb collaboration that does not specialise in physics. Other collaborators in the project include such prestigious institutions as MIT (USA), EPFL (Switzerland), University of Oxford and Imperial College, London (UK).
The Yandex School of Data Analysis is a free Master’s-level program in computer science and data analysis, offered by Yandex since 2007 to graduates in engineering, mathematics, computer science or related fields. It trains specialists in data analysis and information retrieval. The school’s program includes courses in machine learning, data structures and algorithms, computational linguistics and other related subjects. It runs a number of joint programs, both at Master’s and PhD levels, with leading education and research institutions including the Moscow Institute of Physics and Technology, the National Research University Higher School of Economics (HSE), and the Department of Mechanics and Mathematics of Moscow State University. In seven years, the Yandex School of Data analysis has prepared more than 320 specialists.
Yandex Data Factory Opens for Business
9 December, 2014
As far as the laws of mathematics refer to reality, they are not certain,
and as far as they are certain, they do not refer to reality.
A search engine is all about very big data and very advanced mathematics. What we have been doing here at Yandex for more than 17 years already, is develop and implement technologies and algorithms which from a billion of pages on the internet would pick the one that would offer an answer to a web user’s question or solve their problem.
The technologies that power our search are based on machine learning – an approach that allows automating the process of making a decision. Our core machine learning technology, MatrixNet, not only makes its own decisions about whether a certain piece of information is a good answer to a user’s question or not, based on previous experience, but it does so based on a relatively limited experience.
At this point in time, when we can feel that our technologies can be put to use in spheres other than internet search, we are prepared to offer what we’ve got for a larger range of applications.
Today, at the LeWeb innovation conference in Paris, we’re cutting the red ribbon for Yandex Data Factory, our new B2B-service for corporate and enterprise clients, who would like, using our machine-learning technologies, to turn large volumes of data they posses into hands-on business tools, and, by doing so, increase sales, cut costs, optimise processes, prevent losses, forecast demand, develop new or improve existing methods of audience targeting.
We first branched out of our natural realm with our collaboration with CERN on their Large Hadron Collider beauty (LHCb) experiment. For this project we trained our MatrixNet to search for specific types of particle collisions, or events, among thousands of terabytes of information about these events registered by the detector in the LHCb. Yandex provided the LHCb researchers with an instant access to the details of any specific event.
The success of this project gave us reasons to believe it can be repeated in other areas of application. Any industry producing large amounts of data and focused on business goals could benefit from our expertise and our MatrixNet-based technologies: personalisation of search suggestions, recommendations or search results, image or speech recognition, road traffic monitoring and prediction, word form prediction and ranking for machine translation, demographic profiling for audience targeting.
Prior to today's announcement we have run pilot projects for about a year designing experimental custom-made solutions for clients all over the world. Most of these projects involved using the data that already exist, which we used for training a MatrixNet-based model, which then was applied to new data – depending on the goal of a client, to generate suggestions for buying a specific product, or predict, with a high degree of accuracy, based on behaviour of thousands or millions of shoppers with similar behaviour patterns, which product exactly will be bought.
Using this machine-learning technique, we helped one of the leading European banks increase their sales by matching each of their products that needed upselling with the best communication channel for each customer. By applying MatrixNet to behavior data on a few million of the bank’s clients, we created a model that could predict net present value of communication of a product to a specific client via a specific channel. This model was then applied to the bank’s new data to generate personalised product recommendations for each client paired with communication channel and ranked by potential net profit value. Preliminary results of the first wave of the bank’s marketing campaign, which was run on three million of clients, were used to fine-tune the original model, which, in its turn, was used in the second wave on a much larger number of the bank’s customers. The resulting sales increase beat the increase forecasted by the bank’s own analysts by 13%.
The same machine-learning approach, together with our own data and expertise in geolocation, helped a road and traffic management agency boost their accident prediction accuracy making it 30 times more accurate. To enable the agency take measures to prevent road traffic accidents, we provided them with one-hour forecasts for traffic jams, as well as alerts for high-risk traffic conditions, in real time, and visualized potential congestion on interactive maps. Using MatrixNet, we first trained predictive formulas on our own UGC information about almost 40,000 road accidents and 5bn speed tracks minded over 2.5 years, complemented by the information provided by the agency: traffic information (i.e., number of cars passing through a given segment of the road in any given time), information about road conditions (type of surface, number of lanes, gradient etc.), weather information. These formulas were then applied to larger data sets and a predictive system for road traffic accidents was developed and deployed in the agency’s situation rooms.
Currently, we’re continuing to work on about 20 projects in various stages of completion across the globe. In essence, we're continuing to experiment, but this time, we know in which direction, or rather – in which directions – we are to move. While the majority of our potential partners, as well as data, come from finance, telecommunications, retail, logistics, utilities, and even the new-fangled 'smart cities', anyone who has data and a business goal can discover new opportunities brought about by mathematics. No matter what industry your business is in, mathematics will work for you. Despite what Einstein said.
New Yandex.Browser Paves Way to Future
27 November, 2014
At a point in time when web pages have stopped merely hosting content and now look more like fully-fledged applications interacting with their users in more ways than one; when websites no longer redirect their visitors to other places on the internet to give them what they need – web browsers cannot remain the same square windows through which to look at 'carved-in-stone' content.
Facebook.com users, for instance, can now watch a video right in their timeline, play music and talk to their friends. Soundcloud.com isn't just a music hosting website, it offers their visitors nearly professional music recording, streaming and sharing experience, complete with advanced search functions and equaliser settings. In the existing environment, when most web-based resources – from social networking websites to newspapers to shopping platforms – are expected to have their mobile reincarnation as an app, the role of the desktop browser, as well as its look and feel, cannot remain the same.
In response to and accordance with the evolutionary change of the web, Yandex releases a new alpha version of its browser. The new streamlined Yandex.Browser is a new step in its evolution. It reflects the current trend in web user experience, which puts an emphasis on interaction and personalisation. The new Yandex.Browser lets users experience the web directly, while offering secure protection from the darker side of the internet. It is designed to respond to all the current needs of a web user, which aren’t limited to mere browsing, but now also include shopping, reading websites in a foreign language, booking flights, trains, taxies or hotel rooms and restaurant tables.
By bringing all these changes to our browser, we're hoping to make the internet more user-friendly for everyone. The new Yandex.Browser is a weighty contribution to our goal of creating a smart and transparent environment for a happy and comfortable internet experience. Instant page view, 'pages as apps', see-through user interface, rich search results, personalisation, integrated Yandex products and services and many more – are all implemented in the new Yandex.Browser, a trailblazer for the future of internet experience. With user feedback, we're hoping to understand how well we're faring on this path
The new alpha version of Yandex.Browser is currently available for download for Windows and OS X devices.
In Memory of Alexey Yakovlevich Chervonenkis
29 September, 2014
Alexey Yakovlevich Chervonenkis tragically died on September 22. A professor of the Moscow Institute of Physics and Technology as well as Royal Holloway, University of London, and a lecturer at the Yandex School of Data Analysis, he made a huge contribution to the theory of machine learning.
So far there have been three periods in the science of machine learning: pre-computer, computational, and the contemporary period of big data.
The first great work of Chervonenkis and Vapnik was this article from 1971. The theory of the uniform convergence of the frequencies of occurrence of events to their probabilities set the course for the development of this field of science for several decades ahead.
This was the period of the “theoretical” development of machine learning. At that time, only some kind of M-200 or, at best, a BESM was available for computing so there was not yet even any talk of widespread 'practical application in the nation's industry'. But even then it could already be used to find targets in the air, for example, or to help detect abnormalities in echocardiograms.
Then came the second period in the history of machine learning – the computational stage. In the 1990s people learned, for example, how to quite effectively recognise and digitise texts (including handwritten documents) and keep e-mail free of spam. Half of these methods worked on the renowned SVM (Support Vector Machine) method conceived in the early 1990s by Chervonenkis and Vapnik (Vapnik-Chervonenkis dimension). In the mid-2000s all the well-known companies worked on SVMs – including us, and Yahoo!, and Google, and Amazon. SVM is described in any textbook on the subject.
And then came the third era in the development of machine learning, with the appearance of big data and methods for working with it. Now it appears that everything around us, all objects and services, will become a bit smarter and learn to help us in every detail, anticipating our desires to some extent. This is similar to how various mechanical and chemical inventions have changed our lives, only now in a slightly different sphere.
In this third era, Chervonenkis taught at the Yandex School of Data Analysis, and presented the development of his fundamental 1971 work at our conference.
Alexey Chervonenkis loved to walk. He would walk 20 kilometres a day – around Moscow, or London, or forests – that’s how he thought. In summer he had an operation and he couldn’t walk for three weeks. Then one day he started walking again – first a kilometre, then two, then three. And last week he set off on a 20-kilometre walk along a familiar route through Losiny Ostrov National Park.
New Marketplace to Organise Household Services in Russia
23 September, 2014
Yandex launches a marketplace for household services. The new web-based service exchange allows providers of a variety of services ranging from appliance repairs and installations to cleaning and moving home to find their clients, while those who require such services can find the best deals. The marketplace website lists service providers’ information, including their prices and client reviews. Service consumers can leave their feedback and also rate the quality of the service they received to help others choose the best provider.
The new marketplace, called Yandex.Master, where ‘master’ means someone who does their job really well, is currently available in Moscow and St Petersburg. Residents in the two of Russia’s largest cities make about 800,000 searches about help with small errands and household services per month. Yandex.Master was designed to bring transparency, structure and safety to a chaotic market of private household services in Russia. Provider ratings and client feedback on the marketplace are expected to promote open competition, which in its turn will organise service pricing and improve the quality of services in general.
Yandex has already seen success with structuring an offline market. Yandex.Taxi, our taxi service aggregator, was launched in Moscow in 2011 when the ‘gypsy cab’ culture reigned on the road. Random pricing, old and dirty cars, unpredictable and illegal drivers, road accidents have all been eliminated with the introduction of a desktop service supplemented with an app that was based on automated algorithms, aggregation, ranking, client feedback and a tight control of service quality. It took only slightly more than one year to completely transform the taxi service market in Moscow and St Petersburg and make a taxi ride predictable price-wise, safe and enjoyable for any client. Taxi service companies in these two cities receive more than 700,000 taxi bookings per month through Yandex.Taxi. It’s a valuable client source for them and it makes them care about their reputation, while Yandex receives percentage from each booking.
Just like Yandex.Taxi, Yandex.Master also has a strict quality control system, which makes sure each service provider is vetted before their offer appears on the website. Yandex.Master’s quality control team make trial service requests and manage negative feedback. Provider’s feedback history and pricing also play a part in how service quality is maintained. Yandex.Master is available at master.yandex.ru and will also be released soon as an app for iPhone. Currently, the marketplace partners with over 70 service providers and aggregators. To try this form of marketing, service providers will be able to promote their offers on the marketplace for free until 2015, when we’re planning to introduce a pay-per-lead model.
Yandex's Translation App for iPhone and iPad Now Provides Translations When Offline
5 September, 2014
Translation apps on mobile devices sure come in handy when you’re travelling to different countries where you don’t know the local language. But usually they use the internet to perform their translations, which means you need to go online to get help communicating with people or deciphering restaurant menus.
We have recently released an offline version of our Yandex.Translate mobile app for iPhone and iPad. So now this application can work without connecting to the internet, saving you the cost of internet roaming or the trouble of finding a wi-fi hotspot.
Yandex.Translate can be installed from App Store for free. After that, just go to the settings and choose the language pair or pairs that you need to translate to and from, and download the translation database onto your device. Five language pairs with English are available for offline translation: English-German, English-French, English-Italian, English-Spanish and English-Russian. If an English-speaking user is travelling from the UK to Spain, they’ll only need the English-Spanish offline translation database to get by day-to-day, while the other language pairs will only be available online (the app warns about this). After returning home to the UK, the user can delete the English-Spanish offline translation data to free up space.
While we’re on the subject of space and size, we really went to great lengths to get the balance right. As you might know, statistical machine translation is based on searching and indexing parallel texts on the internet. We look for already translated texts and phrases, compare them with the original and rank them according to how often they occur. You can read more about that here. These parallel texts, phrases and word combinations are quite cumbersome, taking up gigabytes on our servers.
For the translation app to work offline, we had to streamline the parallel translation database, so that only the most common translations remained. For example, if the full translation database gives 100 different ways to translate “where can I get the best tapas in Barcelona” into Spanish, the mobile version will retain only the 10 most commonly used translations.
We understand that this kind of streamlining can lower the quality of offline translations, and solving this problem was our biggest challenge. We ran a multitude of different tests and experiments to determine the optimal database size that would retain an acceptable translation quality for offline mobile gadgets. For every kind of translation, the optimal size turned out to be 500 MB. Larger (that is, with the addition of more translation variations) brings insignificant improvements to quality, even if the size is multiplied. And reducing the size and the number of translation options causes serious loss of quality without freeing up much space.
Yandex’s offline translation app can help users in daily life situations in foreign countries, whether they’re on vacation or a business trip: telling a taxi driver where to take them, comprehending what’s on a menu, understanding what street signs and warning signs say. These are the situations in which mobile translation apps are most often used. Our statistics also show that Yandex.Translate is used in private correspondence, school homework and university assignments, for reading tourism guides or news on the internet, for translating recipes, poems and songs. The average length of translations on mobile devices is five to seven words. At present, Yandex.Translate handles about 400,000 translations on mobile platforms every day. Most of our users are in Russia, but we are working on making the app popular outside our home country.
Since we first announced it in December 2012, the capabilities of mobile Yandex.Translate have grown enormously: it now “knows” 44 languages, offering a text-to-speech function for some – meaning it not only translates a phrase from your native language into a foreign one, but also lets you hear how it sounds when spoken.
Yandex.Taxi and MTS Take Clients for a Supercar Ride
26 August, 2014
Yandex.Taxi, our cab-hailing service, has teamed up with MTS, one of Russia’s leading mobile providers, to give a few lucky Moscovites a chance to have a free ride in a luxury car.
For the three months starting in August, after making an order for a taxi through the Yandex.Taxi app or on the service’s website, a lucky customer in Russia’s capital has a chance to have a free ride to their chosen destination in one of four luxury cars – two Maserati Quattroportes, a Porsche Panamera or a Chevrolet Camaro. The journey will also be complemented with free high-speed WiFi 4G LTE service, courtesy of MTS.
The MTS-sponsored supercar ride ‘lottery’ is part of Yandex.Taxi’s regular service, which automatically picks the closest available taxi to client’s location and delivers a safe and comfortable cab to a client in about seven minutes on average.
Currently, Yandex.Taxi serves more than 630,000 taxi bookings in Moscow per month. In the three months of the duration of the ‘lottery', each supercar is expected to respond to about 17 cab requests per day, which gives a chance to approximately one in 300 Yandex.Taxi rides to be something special.
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