Cybersecurity is becoming a growing concern for many businesses. This means people are hunting for solutions to tackle this ever-growing issue. But the answer may be quite literally in front of people’s faces. And it comes in the form of online identity verification.
What this involves is using artificial intelligence and biometrics to successfully identify that a person is who they say they are. IDV service providers authenticate identities by verifying identity documents and biometric authentication to ensure original identities are onboarded. Biometrics is a subset of AI and thanks to its ability to identify unique human characteristics, it is perfect to use for access control.
What this means for the modern world, is that AI-based IDV solutions can help in the fight against cybercrime. It is great for any firm that needs to verify that a person is who they say they are. Whether that be a finance company, eCommerce business or a healthcare firm. It protects data and helps in the fight towards anti-money laundering. It does this by blocking spammers and hackers in an efficient and precise way.
It seems like a miracle cure against cybercrime. So, with this in mind, it’s great to see which companies are providing the best services.
Here are 5 firms that are revolutionizing identity verification 1. Unico
Claiming to have the largest facial biometric database in Brazil, Unico connects people with companies. All through a digital means. It even says that from March to November, the use of its identification services went up by 59.3%. Considering the amount of usage the company has seen in 2020 alone, it seems Unico is playing a strong role in identity verification in Brazil.
However, one of the downsides of Unico is that it can sometimes block users, even when they are legitimate. This is usually due to inactivity or too many password attempts. The software may also be affected by slow loading pages, which when accessing bank details, can be frustrating.
2. Shufti Pro
As one of the most rapidly growing IDV companies right now, Shufti Pro provides an all in one service at a global scale. Using real-time identity verification, the tech firm focuses on KYC/AML screening and facial biometric authentication. The company claims that it can verify a person’s identity within seconds and that it synergizes both human and artificial intelligence.
Shufti Pro seems to be an all-rounder firm as it provides multiple identity verification solutions to fulfill different KYC demands. It launched on-premise software and video interview KYC solution for the finance industry and a touchless verification kiosk for airports.
However, one downside to this firm is that the software is only 98% accurate, rather than 100%, and only verifies major ID documents (such as ID card, Driving licenses, and passport) of each country. The company says that it relies solely on government-issued identity documents to enhance authenticity and reliability of its results. But some businesses said that they got their customized solution as well, for unique ID document types and the company is now allowing verification of paper-based identity documents.
HooYu is a customer onboarding service that works digitally with Know Your Customer (KYC) services. Recently, the firm has launched a new user interface that involves a more modermodernizedtity verification tool. Using UI and UX as part of the firm’s services has helped make customer onboarding easier to navigate and helps prevent fraud, the firm says.
Now, the onboarding process gives users more choices for customers. They also give further guidance on what people need to do to pass the KYC check. And, as well as this, the company mixes traditional data checking methods with modern digital methods. Such as biometrics and geolocation, to ensure secure, yet effortless, onboarding, and data access.
However, the verification techniques that HooYu uses can include taking information from social media. Which, unfortunately, isn’t always true information. So, although it’s good that it uses a blend of verification, unfortunately, this data may not be based on 100% true information.
Working on a KYC (Know Your Customer/Driver/Student, etc.) basis, Jumio provides an end-to-end verification service. Its aim is to fight off money launderers and fraudsters in today’s digital economy. Therefore, it uses AI, biometrics, and machine learning as part of its identity proofing services.
The company boasts to have verified over 250 million identities all over the world. It works by person X taking a selfie whilst the software takes hundreds of still images. Programmed AI then performs facial scanning and biometrics are used to compare the face to the ID.
Jumio allows clients access based on a score. The score is based on selfie information and if the score is too low, clients are denied access. This can become frustrating, especially if a person’s face has changed for any reason.
iProov uses Genuine Presence Assurance technology to authenticate remote users. This is all part of their ID verification onboarding process the firm uses with banks, governments, and other enterprises. The idea is for a customer to use the new tech to be able to open bank accounts. As well as provide authentication and access to other secure data from any remote location.
These companies prove ID verification is becoming an essential part of all of our daily lives. Whether it’s part of KYC or against deep-fakes, ID verification technology is vital to prevent fraud. The pandemic forced many businesses to go online, and it rendered surprising benefits as well. Many industries are expected to grow in the coming years, but this growth is also exposed to fraud and financial crime. Online customer verification and authentication could help businesses secure themselves and their customers from fraud.
Image Credit: Identity Verification
How US legal firms can and must compete with robo-lawyer services
Most US legal firms, like their European counterparts, are steeped in tradition. Even newer firms formed by eager law graduates have their education rooted in similar structures. As legal journals and business magazines impress on the need to modernize and digitize how we work, the external threats to legal firms are growing, but how do we address them?
Automated legal services like chatbots and form creators are a threat to the legal profession, or they can be viewed as a challenge to be met. As was the case with iTunes and Spotify for music and Amazon for retail, some tivals adapted to face a new market reality, others folded or sold up, or were driven into a particular niche, while more startups arrived to compete. Whatever the market, there are plenty of ways to survive and thrive as the momentum and disruption of automation builds, as legal will find out very quickly.
In the legal profession, the adoption of digital technology for collaboration and efficiency, powered by cloud services has been mixed. But as all markets look post-COVID, there is a fresh impetus to grasp and understand the learnings from the crisis and adopt technology to make legal operations more streamlined and efficient.
Lack of awareness is no defense, with Deloitte exploring the disruption issue back in 2017 with a report on ”The case for disruptive technology in the legal profession”, highlighting the key issues of:
· The opportunity that technology creates for legal.
· The growing importance of big data and analytics in legal cases.
· The effects of technology on legal business models.
· Potential legal disrupters.
All of which remain valid today, but now the disruption is more visible, in every lawyer’s face and rising up the boardroom agenda for all firms with a large legal footprint.
Legal business evolution is driven by vertical-specific vendors iterating well-known IT products and cloud solutions, often packaged by legal IT specialists and sold to enterprises with extensive legal departments, and then down to smaller firms.
But the word “disruption” is the driving force behind more radical change. Many startups and “ideas people” both from within and external to the law profession see opportunities to shake up the old order. They create new products and types of service that eliminate the high cost and slow-moving nature of most legal offerings and services.
Behind their ideas, new products are driven by the limitless power of the cloud to deliver services and scale marketing to enormous proportions. While most of them will fail to gain the much-coveted traction, those that succeed act as inspiration for more to try, while rapidly taking business from existing legal firms or providing them with the tools to compete.
The current poster child for disruptive legal tech is DoNotPay, a company founded by an English teenager, Joshua Browder, in 2015. His business started with an automated way to dispute parking tickets and expanded to the US, providing bots that help consumers with legal form filling, filing for airfare refunds, providing access to legal services and much more. Others include Zegal (legal templates), Lisa Robot Lawyer (NDAs and property contracts).
DoNotPay has blossomed into a consumer rights champion, offering virtual credit cards, student advice and has started eating further up the legal food chain with an automated contract builder and other tools. It can even send these forms as faxes to services that are stuck in their ways.
People who never knew they needed a lawyer are using DoNotBuy or the growing number of rivals servicing local, national or regional markets, without ever having to find traditional representation. Digital-native generations will use these tools and never bother Googling for “lawyer near me.” And this is only the start as automated real estate, bail bond, company creation services, business contracts, leases and other legal processes are consumed as instant services.
Larger legal firms may find the recent changes barely affecting them, but that pace of change continues to increase, and the impact will be felt eventually. Many firms are wondering how they can meet this challenge. Some play to their strengths using cash piles for acquisitions to corner a market or expand into new territory.
Others will follow the well-trodden path of digital legal services adoption, doing whatever their rivals do to keep pace through cloud-based practice management services at cost and with the usual upheaval of adopting new services. Bucking tradition, perhaps the best approach to meeting the automated services era is for firms to ask their domain experts how they can innovate and counteract or outpace those threatening to disrupt the legal landscape.
Where DoNotPay and its rivals may falter is that they are not law firms and the T&Cs state that “The information provided by DoNotPay along with the content on our website related to legal matters (“Legal Information”) is provided for your private use and does not constitute legal advice.”
A law firm can fill the breach with automated services that do provide legal advice or take the next steps that robo-firms currently do not. And creating these tools is simpler than you might think.
Companies like BRYTER, which has been peppering the top 10 legal startup lists (Financial Times) recently, is currently setting up offices in New York after two successful years in Europe It’s no-code service automation product highlights how legal firms can build their own tools without relying on expensive and time-consuming IT rollouts.
Putting design tools in the hands of lawyers and legal professionals to build the applications they need, from chatbots (see BRYTER’s new “lawyer’s guide to chatbots” white paper), form creators, tax checkers and other necessities gets them live in days, not months.
They enable a company to prototype and trial applications quickly to take advantage of new legal market opportunities, and then scale digital legal services to meet demand. BRYTER is already used by leading legal firms for timely issues like privacy, COVID-19, GDPR, CCPA, repapering among other matters, all helping grow digital ideas within businesses.
They can save time or generate revenue for the company directly, or be sold to clients as part of service packages, diversifying beyond the traditional billable hour.
BRYTER’s full-service offering provides the tools, expertise and experience to embed no-code tools as a core product within teams or legal practice groups. It took one person to build DoNotPay and it could be one of your lawyers looking to innovate or deliver savings that comes up with the next big thing that brings success to your practice by bringing an idea to life.
Language Translation with Transformers in PyTorch
If you’ve been using online translation services, you may have noticed that the translation quality has significantly improved in recent years. Since it was introduced in 2017, the Transformer deep learning model has rapidly replaced the recurrent neural network (RNN) model as the model of choice in natural language processing tasks. However, Transformer models, like OpenAI’s Generative Pre-trained Transformer (GPT) and Google’s Bidirectional Encoder Representations from Transformers (BERT) models, have quickly replaced RNNs as the network architecture of choice for Natural Language Processing (NLP). With the Transformer’s parallelization ability and the utilization of modern computing power, these models are big and fast evolving, generative language models frequently draw media attention for their capabilities. If you’re like us, relatively new to NLP but generally understand machine learning fundamentals, this tutorial may help you kick start understanding Transformers with real life examples by building an end-to-end German to English translator.
In creating this tutorial, we based our work on two resources: the Pytorch RNN based language translator tutorial and a translator implementation by Andrew Peng. With an openly available database, we’ll be demonstrating our Colab implementation for how to translate between German and English using Pytorch and the Transformer model.
To start with, let’s talk about how data flows through the translation process. The data flow follows the diagram shown above. An input sequence is converted to a tensor where each of the Transformer’s outputs then goes through an unpictured “de-embedding” conversion process from embedding to the final output sequence. Note that we’ll be obtaining words one-by-one from each forward pass during inference rather than receiving a translation of the full text all at once from a single inference.
At the start, we have our input sequence. For example, we start with the German sentence “Zwei junge personen fahren mit dem schlitten einen hügel hinunter.” The ground truth English translation is “Two young people are going down a hill on a slide.” Below, we show how the Transformer is used with some insight on the inner workings. The model itself expects the source German sentence and whatever the current translation has been inferred. The Transformer translation process results in a feedback loop to predict the following word in the translation.
For the task of translation, we use the German-English `Multi30k` dataset from `torchtext`. This dataset is small enough to be trained in a short period of time, but big enough to show reasonable language relations. It consists of 30k paired German and English sentences. To improve calculation efficiency, the dataset of translation pairs is sorted by length. As the length of German and English sentence pairs can vary significantly, the sorting is by the sentences’ combined and individual lengths. Finally, the sorted pairs are loaded as batches. For Transformers, the input sequence lengths are padded to fixed length for both German and English sentences in the pair, together with location based masks. For our model, we train on an input of German sentences to output English sentences.
We use the spacy python package for vocabulary encoding. The vocabulary indexing is based on the frequency of words, though numbers 0 to 3 are reserved for special tokens:
- 0: <SOS> as “start of sentence”
- 1: <EOS> as “end of sentence”
- 2: <UNK> as “unknown” words
- 3: <PAD> as “padding”
Uncommon words that appear less than 2 times in the dataset are denoted with the <UNK> token. Note that inside of the Transformer structure, the input encoding, which is by frequency indices, passes through the nn.Embedding layer to be converted into the actual nn.Transformer dimension. Note that this embedding mapping is per word based. From our input sentence of 10 German words, we get tensors of length 10 where each position is the embedding of the word.
Compared to RNNs, Transformers are different in requiring positional encoding. RNN with its sequential nature, encodes the location information naturally. Transformers process all words in parallel, therefore requiring stronger location information to be encoded from the inputs.
We calculate positional encoding as a function of time. This function is expected to contain cyclic (sine and cosine functions) and non-cyclic components. The intuition here is that this combination will allow attention to regard other words far away relative to the word being processed while being invariant to the length of sentences due to the cyclic component. We then add this information to the word embedding. In our case, we add this to each token in the sentence, but another possible method is concatenation to each word.
Here we emphasize Transformer layers and how cost functions are constructed.
Pytorch’s Transformer module is at the core of our application.The torch.nn.Transformer parameters include: src, tgt, src_key_padding_mask, tgt_key_padding_mask, memory_key_padding_mask, and tgt_mask. These parameters are defined as:
src: the source sequence
tgt: the target sequence. Note that the target input compared to the translation output is always shifted by 1 time step
src_key_padding_mask: a boolean tensor from the source language where 1 indicates padding and 0 indicates an actual word
tgt_key_padding_mask: a boolean tensor from the target language where 1 indicates padding and 0 indices an actual word
memory_key_padding_mask: a boolean tensor where 1 indicates padding and 0 indicates an actual word. In our example, this is the same as the src_key_padding_mask
tgt_mask: a lower triangular matrix is used to process target generation recursively where 0 indicates an actual predicted word and negative infinity indicates a prediction to ignore
The Transformer is designed to take in a full sentence, so an input shorter than the transformer’s input capacity is padded. The key padding masks allow for the Transformer to perform calculations efficiently by excluding elements after sentences end. When the Transformer is used in sequence to sequence applications, it’s crucial to understand that even though the input sequence is processed at the same time, the output sequence is processed progressively. This sequential progression is configured by tgt_mask. During training or inference, the target output is always one step ahead of the target input as each recursion generates a new additional word, as shown “tgt_inp, tgt_out = tgt[:-1, :], tgt[1:, :]” configuration during training. The tgt_mask is composed as a lower triangular matrix:
Row by row, a new position is unlocked for target output, e.g. a new target word. The newly appended sentence is then fed back as the target input in this recursion.
While we do build the translation word-by-word for inference, we can train our model using a full input and output sequence at once. Each word in the predicted sentence can be compared with each word in the ground truth sentence. Since we have a finite vocabulary with our word embeddings, we can treat translation as a classification task for each word. As a result, we train our network with the Cross Entropy loss on an individual word level for the translation output in both the RNN and Transformer formulations of the task.
When we perform the actual German to English translation, the entire German sentence is used as the source input, but the target output, e.g. the English sentence is translated word by word, starting with <SOS> and ending with <EOS>. Each step, at the target output we apply argmax function over the vocabulary to obtain the next target word. Note choosing the highest probability word progressively from our network is a form of greedy sampling.
The Transformer model is very effective in solving sequence-to-sequence problems. Funnily enough, it’s effectiveness comes from processing a sentence as a graph instead of an explicit sequence. Each word at a particular position considers all other words. The Transformer powers this approach with the attention mechanism, which captures word relations and applies attention weights to words of focus. Unlike Recurrent Neural Networks, calculating the Transformer module can be done in parallel. Note that the Transformer model allows fixed length sequences for inputs and outputs. Sentences are padded with <PAD> tokens to the fixed length.
A full transformer network consists of a stack of encoding layers and a stack of decoding layers. These encoding and decoding layers are composed of self-attention and feed forward layers. One of the basic building blocks of the transformer is the self-attention module which contains Key, Value, and Query vectors. At a high level, the Query and Key vectors together calculate an attention score between 0 and 1 which scales how much the current item is being weighted. Note that if the attention score is only scaling items to be bigger or smaller, we can’t really call it a transformer yet. In order to start transforming the input, the Value vector is applied to the input vector. The output of the Value vector applied to the Input Vector is scaled by the Attention Score we calculated earlier.
“Hello World”, chatbot version — Complete example
The Hello World program is the typical first example you see when learning any programming language since it was first used in a tutorial to learn B (predecessor of the C language) in 1973. It is often the first program written by people learning to code. Its success resides in its simplicity. Writing its code is very simple in most programming languages. It’s also used as a sanity test to make sure the editor, compiler,… is properly installed and configured. For these same reasons, it makes sense to have a “Hello World” version for chatbots. Such bot could be defined as follows:
A Hello World chatbot is a chatbot that replies “Hello World” every time the user greets the bot
So something as this:
While this chatbot is indeed simple (compared with any other chatbot), it’s much more deceitful than its Hello World counterparts for programming languages. That’s because of the essential complexity of chatbot development. Even the simplest chatbot is a complex system that needs to interact with communication channels (on the “front-end”) and the Text Processing / NLP engine (in the “backend”), among, potentially, other external services. Clearly, creating and deploying a Hello World chatbot is not exactly your typical Hello World exercise.
Chatbots are complex systems
But don’t be scared, let me show you how to build your first chatbot with our open-source platform Xatkit. Our Fluent API will help you to create and assemble the different parts of the chatbot. Let’s see the chatbot code you need to write.
The chatbot needs to detect when the user is greeting it. This is the only intention we need to care about. So it’s enough to define a single Intent with a few training sentences. Any NLP Provider (e.g. DialogFlow or nlp.js) would do a good job with this simple intent.
To process the user greetings text, we need at least one state that replies by printing the “Hello World” text. But to keep the bot in a loop (who knows, maybe many users want to say Hi!), we’ll use a couple of them.
As we mentioned above, chatbots come with some inherent essential complexity. At the very least, they need to wait and listen to the user on some channel and then reply to the same channel. In Xatkit, we use the concept of Platform for this. In the code below, we indicate that the bot is displayed as a widget on a webpage and that it will get both events (e.g. the page loaded event) and user utterances via this platform.
And this is basically all you need for your Hello World chatbot!. Feel free to clone our Xatkit bot template to get a Greetings Bot ready to use and play with.
Of course, this is a very simple Hello World chatbot (e.g. what about if the user does not say Hi but something else?) but I think it’s the closer we can get to the Hello World equivalent you’re so used to see for other languages. Remember you can head to our main GitHub Repo for more details on Xatkit or check some of our other bot examples.
Soon, no more blood tests or probing for prostate cancer? AI claims 99% success rate using more relaxing methods
Scientists say they have devised a way to screen for prostate cancer using a drop of urine, a sensor, and AI algorithms. And the test takes just twenty minutes, and is 99 per cent accurate, according to results from a small-scale test.
The risk of developing prostate cancer increases for men as they get older, and the over 50s are supposed to be routinely screened for the disease. If the examination – performed either with a blood test or something… more hands on – suggests there’s a problem, the patient may undergo a biopsy, where a small amount of tissue is extracted from the prostate to confirm whether or not there are cancerous cells present. But these screening tests tend to generate a lot of false positives, leading to unnecessary biopsies.
A team of researchers led by the Korea Institute of Science and Technology (KIST) believe that prostate cancer can be screened non-invasively and quickly using just a urine sample. If high levels of PCA3 are detected, there’s a high chance of prostate cancer.
Urine tests, however, can also be inaccurate at predicting whether someone really needs a biopsy or not. Instead of looking for just PCA3, the team uses a biosensor made up of a dual-gate field effect transistor to sense the presence of biomarkers in the urine. These biomarkers cause a shift in the transistor’s reference voltage.
By measuring this change after a tiny drop of urine is placed on the biosensor’s surface, scientists can determine the concentration of the biomarkers in the fluid. Trained algorithms can take these concentration readings, and use them to predict whether or not someone has the disease.
“Basically, a biomarker is a certain substance in our body where its concentration is affected by a specific disease state,” Kwanhyi Lee – co-author of a paper describing the technology, published in ACS Nano, and a principal research scientist at KIST – explained to The Register on Tuesday.
“In our study, we chose four different biomarkers related to prostate cancer. Simply speaking, we see either an increase or decrease of biomarker concentration from cancer patients compared to healthy individuals.
Study: AI designed to detect diabetic eye disease blinks in the real world, makes more work for doctors
“In a single biomarker based diagnosis, we can simply set the threshold to diagnose the disease. However, when there are more biomarkers, four in our case, understanding the relation between biomarker data and disease state is not easy. Considering the potential of multiple biomarker based diagnosis, it is necessary to analyze multiple biomarker data. Here, we utilized AI algorithms to learn the pattern of biomarker data so that the AI algorithm predicts the cancer.”
The algorithms were trained to look for specific patterns in the biomarker data that are common in patients with prostate cancer. If they detect the same patterns in a fresh urine sample, there’s a high chance of the disease. The team collected 76 urine samples from a mixture of healthy patients and men with prostate cancer, and used 70 per cent of them to train the algorithms and 30 per cent for testing.
Initial results show that the algorithms were able to correctly predict with at least 99 per cent accuracy whether someone had prostate cancer or not. It should be noted, however, that only 23 people were tested in the experiment so the results of this limited experiment should be taken with a pinch of salt.
After a further development of the technology, I believe that replacing the current blood test will be possible
Lee said that although the false positive and negative rates of the algorithms were low at 0.024 and 0.037 respectively, the team needed to verify their results with many more patients.
“After a further development of the technology, I believe that replacing the current blood test will be possible,” he said. “To make this happen, there are a few challenges we need to overcome. First, a validation of our approach with a much larger data set should be checked. Second, miniaturization of the sensor is needed.
“And then we need to closely work with healthcare experts on fields to monitor the performance of our sensing platform to determine replacing the current blood-based test. Personally, I think that making the sensing platform more affordable without compromising the performance is the key.”
At the moment, Lee believes the test is not yet good enough to completely eradicate the need for further biopsy tests. He hopes that one day in the future the team will develop a biosensor capable of detecting multiple biomarkers for different cancers that can be analysed with AI algorithms to diagnose patients. ®
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