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Online compiler.
While Santa Claus may have a magical sleigh and nine plucky reindeer to help him deliver presents, for companies like FedEx, the optimization problem of efficiently routing holiday packages is so complicated that they often employ specialized software to find a solution.
This software, called a mixed-integer linear programming (MILP) solver, splits a massive optimization problem into smaller pieces and uses generic algorithms to try and find the best solution. However, the solver could take hours — or even days — to arrive at a solution.
The process is so onerous that a company often must stop the software partway through, accepting a solution that is not ideal but the best that could be generated in a set amount of time.
Researchers from MIT and ETH Zurich used machine learning to speed things up.
They identified a key intermediate step in MILP solvers that has so many potential solutions it takes an enormous amount of time to unravel, which slows the entire process. The researchers employed a filtering technique to simplify this step, then used machine learning to find the optimal solution for a specific type of problem.
Their data-driven approach enables a company to use its own data to tailor a general-purpose MILP solver to the problem at hand.
This new technique sped up MILP solvers between 30 and 70 percent, without any drop in accuracy. One could use this method to obtain an optimal solution more quickly or, for especially complex problems, a better solution in a tractable amount of time.
This approach could be used wherever MILP solvers are employed, such as by ride-hailing services, electric grid operators, vaccination distributors, or any entity faced with a thorny resource-allocation problem.
“Sometimes, in a field like optimization, it is very common for folks to think of solutions as either purely machine learning or purely classical. I am a firm believer that we want to get the best of both worlds, and this is a really strong instantiation of that hybrid approach,” says senior author Cathy Wu, the Gilbert W. Winslow Career Development Assistant Professor in Civil and Environmental Engineering (CEE), and a member of a member of the Laboratory for Information and Decision Systems (LIDS) and the Institute for Data, Systems, and Society (IDSS).
Wu wrote the paper with co-lead authors Sirui Li, an IDSS graduate student, and Wenbin Ouyang, a CEE graduate student; as well as Max Paulus, a graduate student at ETH Zurich. The research will be presented at the Conference on Neural Information Processing Systems.
Tough to solve
MILP problems have an exponential number of potential solutions. For instance, say a traveling salesperson wants to find the shortest path to visit several cities and then return to their city of origin. If there are many cities which could be visited in any order, the number of potential solutions might be greater than the number of atoms in the universe.
“These problems are called NP-hard, which means it is very unlikely there is an efficient algorithm to solve them. When the problem is big enough, we can only hope to achieve some suboptimal performance,” Wu explains.
An MILP solver employs an array of techniques and practical tricks that can achieve reasonable solutions in a tractable amount of time.
A typical solver uses a divide-and-conquer approach, first splitting the space of potential solutions into smaller pieces with a technique called branching. Then, the solver employs a technique called cutting to tighten up these smaller pieces so they can be searched faster.
Cutting uses a set of rules that tighten the search space without removing any feasible solutions. These rules are generated by a few dozen algorithms, known as separators, that have been created for different kinds of MILP problems.
Wu and her team found that the process of identifying the ideal combination of separator algorithms to use is, in itself, a problem with an exponential number of solutions.
“Separator management is a core part of every solver, but this is an underappreciated aspect of the problem space. One of the contributions of this work is identifying the problem of separator management as a machine learning task to begin with,” she says.
Shrinking the solution space
She and her collaborators devised a filtering mechanism that reduces this separator search space from more than 130,000 potential combinations to around 20 options. This filtering mechanism draws on the principle of diminishing marginal returns, which says that the most benefit would come from a small set of algorithms, and adding additional algorithms won’t bring much extra improvement.
Then they use a machine-learning model to pick the best combination of algorithms from among the 20 remaining options.
This model is trained with a dataset specific to the user’s optimization problem, so it learns to choose algorithms that best suit the user’s particular task. Since a company like FedEx has solved routing problems many times before, using real data gleaned from past experience should lead to better solutions than starting from scratch each time.
The model’s iterative learning process, known as contextual bandits, a form of reinforcement learning, involves picking a potential solution, getting feedback on how good it was, and then trying again to find a better solution.
This data-driven approach accelerated MILP solvers between 30 and 70 percent without any drop in accuracy. Moreover, the speedup was similar when they applied it to a simpler, open-source solver and a more powerful, commercial solver.
In the future, Wu and her collaborators want to apply this approach to even more complex MILP problems, where gathering labeled data to train the model could be especially challenging. Perhaps they can train the model on a smaller dataset and then tweak it to tackle a much larger optimization problem, she says. The researchers are also interested in interpreting the learned model to better understand the effectiveness of different separator algorithms.
This research is supported, in part, by Mathworks, the National Science Foundation (NSF), the MIT Amazon Science Hub, and MIT’s Research Support Committee.
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Not every challenge requires an algorithmic approach.
AI is increasingly informing business decisions but can be misused if executives stick with old decision-making styles. A key to effective collaboration is to recognize which parts of a problem to hand off to the AI and which the managerial mind will be better at solving. While AI is superior at data-intensive prediction problems, humans are uniquely suited to the creative thought experiments that underpin the best decisions.
Business leaders often pride themselves on their intuitive decision-making. They didn’t get to be division heads and CEOs by robotically following some leadership checklist. Of course, intuition and instinct can be important leadership tools, but not if they’re indiscriminately applied.
May 21, 2023 AI technology has revolutionized the way organizations do business; now, with proper guardrails in place, generative AI promises to not only unlock novel use cases for businesses but also speed up, scale, or otherwise improve existing ones. “Companies across sectors, from pharmaceuticals to banking to retail, are already standing up a range of use cases to capture value creation potential,” write Michael Chui , Roger Roberts , Tanya Rodchenko, Alex Singla , Alex Sukharevsky , Lareina Yee , and Delphine Zurkiya in a new article . Generative AI is nascent, but as it develops and becomes increasingly, and more seamlessly, incorporated into business, its problem-solving potential will intensify. Check out these insights to understand how both AI and generative AI can help your organization solve complex problems, transform operations, improve products, and realize new revenue streams.
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How leaders are using ai as a problem-solving tool.
Leaders face more complex decisions than ever before. For example, many must deliver new and better services for their communities while meeting sustainability and equity goals. At the same time, many need to find ways to operate and manage their budgets more efficiently. So how can these leaders make complex decisions and get them right in an increasingly tricky business landscape? The answer lies in harnessing technological tools like Artificial Intelligence (AI).
CHONGQING, CHINA - AUGUST 22: A visitor interacts with a NewGo AI robot during the Smart China Expo ... [+] 2022 on August 22, 2022 in Chongqing, China. The expo, held annually in Chongqing since 2018, is a platform to promote global exchanges of smart technologies and international cooperation in the smart industry. (Photo by Chen Chao/China News Service via Getty Images)
What is AI?
AI can help leaders in several different ways. It can be used to process and make decisions on large amounts of data more quickly and accurately. AI can also help identify patterns and trends that would otherwise be undetectable. This information can then be used to inform strategic decision-making, which is why AI is becoming an increasingly important tool for businesses and governments. A recent study by PwC found that 52% of companies accelerated their AI adoption plans in the last year. In addition, 86% of companies believe that AI will become a mainstream technology at their company imminently. As AI becomes more central in the business world, leaders need to understand how this technology works and how they can best integrate it into their operations.
At its simplest, AI is a computer system that can learn and work independently without human intervention. This ability makes AI a powerful tool. With AI, businesses and public agencies can automate tasks, get insights from data, and make decisions with little or no human input. Consequently, AI can be a valuable problem-solving tool for leaders across the private and public sectors, primarily through three methods.
1) Automation
One of AI’s most beneficial ways to help leaders is by automating tasks. This can free up time to focus on other essential things. For example, AI can help a city save valuable human resources by automating parking enforcement. In addition, this will help improve the accuracy of detecting violations and prevent costly mistakes. Automation can also help with things like appointment scheduling and fraud detection.
2) Insights from data
Another way AI can help leaders solve problems is by providing insights from data. With AI, businesses can gather large amounts of data and then use that data to make better decisions. For example, suppose a company is trying to decide which products to sell. In that case, AI can be used to gather data about customer buying habits and then use that data to make recommendations about which products to market.
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3) Simulations
Finally, AI can help leaders solve problems by allowing them to create simulations. With AI, organizations can test out different decision scenarios and see what the potential outcomes could be. This can help leaders make better decisions by examining the consequences of their choices. For example, a city might use AI to simulate different traffic patterns to see how a new road layout would impact congestion.
Choosing the Right Tools
Artificial intelligence and machine learning technologies can revolutionize how governments and businesses solve real-world problems,” said Chris Carson, CEO of Hayden AI, a global leader in intelligent enforcement technologies powered by artificial intelligence. His company addresses a problem once thought unsolvable in the transit world: managing illegal parking in bus lanes in a cost effective, scalable way.
Illegal parking in bus lanes is a major problem for cities and their transit agencies. Cars and trucks illegally parked in bus lanes force buses to merge into general traffic lanes, significantly slowing down transit service and making riders’ trips longer. That’s where a company like Hayden AI comes in. “Hayden AI uses artificial intelligence and machine learning algorithms to detect and process illegal parking in bus lanes in real-time so that cities can take proactive measures to address the problem ,” Carson observes.
Illegal parking in bus lanes is a huge problem for transit agencies. Hayden AI works with transit ... [+] agencies to fix this problem by installing its AI-powered camera systems on buses to conduct automated enforcement of parking violations in bus lanes
In this case, an AI-powered camera system is installed on each bus. The camera system uses computer vision to “watch” the street for illegal parking in the bus lane. When it detects a traffic violation, it sends the data back to the parking authority. This allows the parking authority to take action, such as sending a ticket to the offending vehicle’s owner.
The effectiveness of AI is entirely dependent on how you use it. As former Accenture chief technology strategist Bob Suh notes in the Harvard Business Review, problem-solving is best when combined with AI and human ingenuity. “In other words, it’s not about the technology itself; it’s about how you use the technology that matters. AI is not a panacea for all ills. Still, when incorporated into a company’s problem-solving repertoire, it can be an enormously powerful tool,” concludes Terence Mauri, founder of Hack Future Lab, a global think tank.
Split the Responsibility
Huda Khan, an academic researcher from the University of Aberdeen, believes that AI is critical for international companies’ success, especially in the era of disruption. Khan is calling international marketing academics’ research attention towards exploring such transformative approaches in terms of how these inform competitive business practices, as are international marketing academics Michael Christofi from the Cyprus University of Technology; Richard Lee from the University of South Australia; Viswanathan Kumar from St. John University; and Kelly Hewett from the University of Tennessee. “AI is very good at automating repetitive tasks, such as customer service or data entry. But it’s not so good at creative tasks, such as developing new products,” Khan says. “So, businesses need to think about what tasks they want to automate and what tasks they want to keep for humans.”
Khan believes that businesses need to split the responsibility between AI and humans. For example, Hayden AI’s system is highly accurate and only sends evidence packages of potential violations for human review. Once the data is sent, human analysis is still needed to make the final decision. But with much less work to do, government agencies can devote their employees to tasks that can’t be automated.
Backed up by efficient, effective data analysis, human problem-solving can be more innovative than ever. Like all business transitions, developing the best system for combining human and AI work might take some experimentation, but it can significantly impact future success. For example, if a company is trying to improve its customer service, it can use AI startup Satisfi’s natural language processing technology . This technology can understand a customer’s question and find the best answer from a company’s knowledge base. Likewise, if a company tries to increase sales, it can use AI startup Persado’s marketing language generation technology . This technology can be used to create more effective marketing campaigns by understanding what motivates customers and then generating language that is more likely to persuade them to make a purchase.
Look at the Big Picture
A technological solution can frequently improve performance in multiple areas simultaneously. For instance, Hayden AI’s automated enforcement system doesn’t just help speed up transit by keeping bus lanes clear for buses; it also increases data security by limiting how much data is kept for parking enforcement, which allows a city to increase the efficiency of its transportation while also protecting civil liberties.
This is the case with many technological solutions. For example, an e-commerce business might adopt a better data architecture to power a personalized recommendation option and benefit from improved SEO. As a leader, you can use your big-picture view of your company to identify critical secondary benefits of technologies. Once you have the technologies in use, you can also fine-tune your system to target your most important priorities at once.
In summary, AI technology is constantly evolving, becoming more accessible and affordable for businesses of all sizes. By harnessing the power of AI, leaders can make better decisions, improve efficiency, and drive innovation. However, it’s important to remember that AI is not a silver bullet. Therefore, organizations must use AI and humans to get the best results.
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Rakuten Symphony is a standout player in telecom because of its unique ability to understand and solve customer problems, the President of its OSS Business Unit (OSS BU) has said.
In the second edition of ‘Inside Track’, the new employee-facing live series hosted by comms director James Dartnell, Rahul Atri outlined the importance of understanding customer needs, why Rakuten has a strong track record of cultivating leaders and why “AI-washing” will not deliver value to mobile network operators.
Atri returned to Rakuten Group as Rakuten Symphony OSS BU President in 2023 having previously played a central role in deploying Rakuten Mobile's network - one based on an autonomous, cloud-native, end-to-end network architecture. He now leads a division of over 1,000 employees – Rakuten Symphony’s largest BU, the majority of which comprises engineers.
The Inside Track session kicked off with Atri emphasising the telecom industry’s fascination with the Rakuten telecom story. Rakuten Symphony’s experience in operating Rakuten Mobile’s network gives the organisation an ability to put “ourselves in the customer's shoes and help solve their problems with technology,” he said.
“They want to learn from us in terms of how we created things and how we solve problems. What customers love about us is we are not just there to sell more boxes and software. We own their problem and solve that end-to-end. We've been successful at doing that.
“I've been in multiple conversations with customers where they're not initially able to articulate some of their challenges, but we’re able to tell them a story that shows we’ve gone through the same journey and how we overcame that challenge. We have a product platform which is run across the lifecycle of Rakuten Mobile. I think that's our differentiator - that’s extremely helpful to customers.”
Atri highlighted how Rakuten Symphony’s unique approach to solving these problems has supported one of the world’s largest brownfield operators in retiring 15 legacy applications, with more to come. “That’s big – they’ve got so many technologies as part of their operation,” he said. If you want to work with brownfield operators and solve their problems, you need to have a culture in which you continuously innovate.”
The second episode of Inside Track hosted two audience participation polls, the second of which revealed an eye-opening result - 70% of audience members agreed that the most important factor in building innovative and effective products and solutions is through a culture that enables employees to be creative - and to fail – a sentiment with which Atri strongly agreed.
“I want alchemists in my team - people who can connect the dots from what the customer is looking for to what the product should be. I think it's also very important in today's world to be a storyteller if you want to climb up the ladder faster. My advice is to be a ‘kid’ - be curious about everything. Don’t be scared of being judged. The more you experience you gain - especially in telecom – the more you build walls and a safety net around you. Learning never stops.”
Atri went on to highlight the importance of successfully unifying experts across UX, product management and quality assurance teams to deliver products and experiences that deliver value. “Whoever is working on products, whether it is the designer who creates the beautiful layouts and UX, the quality assurance team who really stress test the product, and developers who write the code – they all need to understand what the essence of the product is for the customer, how they're going to use it. In the OSS BU we know whatever code each employee is writing and where that is being used, how it looks, what customer uses it, and where it can be improved.”
Understanding user intent is fundamental to Rakuten’s approach to developing AI services that can make a tangible difference to mobile network operators, Atri said. “We focus a lot on the ROI of our products - we don't want to just wash them with AI, to say we have a chatbot enabled. What customers really need is more insight and value. Today, anyone can talk to an AI platform. What we are working on is how to convert this into a mechanism where the tool can take care of the rest. We want to become a platform which can make a network programmable - where you can convey your intent to the platform, and the platform listens to you and takes care of the rest, whether it is scaling out a new application, deploying an edge site, reconfiguring itself or deploying networks to support slicing. The platform needs to understand whoever is behind the screen – whether it is a NOC engineer, a salesperson or the CEO - and what they are specifically asking.”
The conversation concluded with Atri sharing his take on Rakuten’s strong track record of developing leaders internally – a culture that he himself has directly experienced. “Rakuten is the place where curiosity gets its wings,” he said. “Rakuten Symphony has been the disruptor. We've been the challenger. I think that comes from the leadership and the DNA we carry. We are a big company, but we have the heart and soul of a startup.”
Atri is now striving to continue this positive example by increasing the number of female leaders within the OSS BU. He gave a nod to Subha Srinivasan, Rakuten Symphony’s Global Head of Customer Excellence, as an example to other employees. “I’m trying to increase the number of female mentors in our organization, and Subha is a great example of that. What we have seen is that female leaders are often faster, more agile, more complete.”
Atri’s Inside Track episode garnered extensive audience interest, and he rounded off the discussion by addressing an audience question – how can tech specialists transition to becoming business leaders without a business background, and how should they start that journey? “ Read every day,” Atri said. “Then spend time going out of your comfort zone. When you don't know something, be bullish and ask as many questions as you need to. You need to be boundary-less, own problems and find a way to solve them, despite whatever challenges are in the way.”
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There are basically three types of problem in artificial intelligence: 1. Ignorable: In which solution steps can be ignored. 2. Recoverable: In which solution steps can be undone. 3. Irrecoverable: Solution steps cannot be undo. Steps problem-solving in AI: The problem of AI is directly associated with the nature of humans and their activities.
Learn what problem-solving agents are and how they work in AI. Explore their key characteristics, components, and applications, from game-playing algorithms to robotics and decision-making systems.
Researchers from MIT and ETH Zurich use machine learning to improve MILP solvers, which split a massive optimization problem into smaller pieces and use generic algorithms to find the best solution. Their data-driven approach enables a company to use its own data to tailor a general-purpose MILP solver to the problem at hand.
Conclusion. To sum up, the foundation of AI problem-solving is comprised of the ideas of problems, problem spaces, and search. In AI issue solving, efficient search algorithms are crucial for efficiently navigating vast and intricate problem spaces and locating ideal or nearly ideal answers. They offer an organized method for defining ...
Problem solving in artificial intelligence is the process of finding solutions to complex problems using computer algorithms. It involves using various techniques and methods to analyze a problem, break it down into smaller sub-problems, and then develop a step-by-step approach to solving it.
Learn how problem-solving agents use search algorithms to find solutions to reach goal states in various domains. Explore standardized and real-world problems, such as grid world, vacuum world, TSP, and robot navigation.
Find the AI Approach That Fits the Problem You're Trying to Solve. by. George Westerman, Sam Ransbotham, and. Chiara Farronato. February 06, 2024. Illustration by Agnes Jonas. Summary.
Problem-solving in AI is a multi-step process that allows you to tackle complex problems using various techniques and algorithms. By understanding and following these steps, you can effectively solve problems in the field of artificial intelligence. Step 1: Problem Definition.
Upload a screenshot or picture of your question and get instant help from your personal AI math tutor. MathGPT. PhysicsGPT. AccountingGPT. ChemGPT. Drag & drop or click here to upload an image of your problem. Generate a video about the area of a circle. Graph the parabola y = x^2. Create a practice integral problem.
The new model, dubbed OpenAI o1, can solve problems that stump existing AI models, including OpenAI's most powerful existing model, GPT-4o. Rather than summon up an answer in one step, as a ...
Problem Solving Techniques. In artificial intelligence, problems can be solved by using searching algorithms, evolutionary computations, knowledge representations, etc. In this article, I am going to discuss the various searching techniques that are used to solve a problem. In general, searching is referred to as finding information one needs.
Machine Learning: A New Era in Mathematical Problem Solving. Machine learning is a subfield of AI, or artificial intelligence, in which a computer program is trained on large datasets and learns to find new patterns and make predictions. The conference, the first put on by the new Richard N. Merkin Center for Pure and Applied Mathematics, will ...
Solving math word problems. Read paper Browse samples Download dataset. We've trained a system that solves grade school math problems with nearly twice the accuracy of a fine-tuned GPT-3 model. It solves about 90% as many problems as real kids: a small sample of 9-12 year olds scored 60% on a test from our dataset, while our system scored 55% ...
Problem-solving: Problem-solving is a process that is a solution provided to a complex problem or task. When dealing with AI, problem-solving involves creating algorithms and methods of artificial intelligence that will empower machines to imitate humans' capabilities of logical and reasonable thinking in certain situations.
This is one of the hardest problems confronting AI. Problem solving. Problem solving, particularly in artificial intelligence, may be characterized as a systematic search through a range of possible actions in order to reach some predefined goal or solution. Problem-solving methods divide into special purpose and general purpose.
AI accelerates problem-solving in complex scenarios. Researchers from MIT and ETZ Zurich have developed a new, data-driven machine-learning technique that could be applied to many complex logistical challenges, such as package routing, vaccine distribution, and power grid management. Image: iStock.
Learn how artificial intelligence methods can formulate, ensure, and solve problems using algorithms, reasoning, and modelling. Explore examples of common AI problems and agents, such as chess, N-Queen, and genetic algorithms.
This new technique sped up MILP solvers between 30 and 70 percent, without any drop in accuracy. One could use this method to obtain an optimal solution more quickly or, for especially complex problems, a better solution in a tractable amount of time. This approach could be used wherever MILP solvers are employed, such as by ride-hailing ...
Jorg Greuel/Getty Images. Summary. AI is increasingly informing business decisions but can be misused if executives stick with old decision-making styles. A key to effective collaboration is to ...
Generative AI is nascent, but as it develops and becomes increasingly, and more seamlessly, incorporated into business, its problem-solving potential will intensify. Check out these insights to understand how both AI and generative AI can help your organization solve complex problems, transform operations, improve products, and realize new ...
Consequently, AI can be a valuable problem-solving tool for leaders across the private and public sectors, primarily through three methods. 1) Automation. One of AI's most beneficial ways to ...
Atri highlighted how Rakuten Symphony's unique approach to solving these problems has supported one of the world's largest brownfield operators in retiring 15 legacy applications, with more to come. "That's big - they've got so many technologies as part of their operation," he said. ... No 'AI-washing' ...