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Machine Learning for Java Developers

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19th Feb, 2023
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Machine Learning for Java Developers

Machine Learning in Java:

Machine learning has taken over the industry and is rising at a rapid rate. Machine learning gives algorithms a chance to learn and grow without being further programmed. It sets its own parameters by using sample data so that it can perform a specific task on similar data. Machine learning is a trained algorithm that is used for a particular problem. However, we are still in the first wave of machine learning because the theory is still a lot more to come. From the face recognition software that we use on our phones to self-driving cars, google maps, google translate, and voice-controlled technologies are all part of machine learning. Over the next few years, new products with next-generation technology will be ruling the world. 

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What is machine learning exactly?

We are just at the beginning of machine learning. Day by day, computing and machine learning is getting more powerful. As we speak, new algorithms are being formed to take over the world. We are surrounded by machine learning devices. For example, Siri or Alexa are devices that work on voice generation. We just need to ask them something, and they search the web and answer it for us. We do not have to take the trouble of opening a search engine and typing in the information we need, and looking for a correct answer. Another example of machine learning could be Netflix or Amazon; once we watch a specific movie genre or series, these websites come up with a list of recommendations of a similar genre. 

Email classification is the most suitable way to explain how machine learning works? The main task is to determine if an email is spam or not. Spam mails cannot be easily identified just by looking at the subject or message. There are other things that need to be taken into account. The algorithm reads the data, classifies it into different categories, and looks for patterns. But with the help of Machine Learning, we do not have to manually separate the spam emails. It is already done for us. 

Promotional emails are the same. It is directly sent into the promotional section of our mailbox. It saves us the trouble of going through a ton of mail and then by mistake scrolling through important mail. It helps us answer the important mail first as it is first shown in our inbox.

Machine learning has made our daily life much easier. Now we have Robots that vacuum our floors while we can do some other work. It has taken technology to another level by coming up with self-driving cars and trains as it is the next big thing for the upcoming generation. 

Machine learning is a branch of Artificial Intelligence, which is focused on building applications that learn from examples and experiences. Over time this software application learns from data and improves its accuracy without being programmed further. Algorithms are trained to find similar kinds of patterns in enormous amounts of data and make predictions accordingly. As the algorithm processes more data, the decisions and predictions become more accurate. Most of the algorithms that we come across today are based on Machine Learning in Java

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How does it work?

A regular algorithm has been developed to form a machine learning algorithm. As it is made to learn and grow from data provided automatically. It has been categorized into three types:

Supervised Learning:

Supervised learning is the training process. It is the part where the algorithm has been trained to respond to various types of questions. It labels and classifies Data as it is received. For example, when we are kids just learning how to write, our teacher or parent used to guide our hands to make the proper shape of the alphabet. Similarly, this algorithm gets a set of training data and maps out the input and output variables of it. Once it has been trained, it can make decisions, respond and make predictions automatically. 

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Unsupervised Machine Learning:

Machine learning gets a lot of unlabeled data. It then uses algorithms to cluster the data in different classes. It tries to take out meaningful features or patterns from this Data so that it can classify, label, and sort it without the help of a human. When we talk of Unsupervised Learning, the first thing that comes to our mind is making automatic predictions and decisions. But this is not the case, and here Unsupervised Machine Learning means identifying patterns and relationships among data that an average person would miss. 

Reinforcement Learning:

This type of learning is done by interacting with a particular environment. It follows the concept of trial and error. For example, a child during his/her early childhood years cannot differentiate between which objects are hot and which things are cold. If a child’s favorite dish is kept in a hot container and you tell the child that it is hot, but the child cannot understand what it means, on touching the container, they get burnt. It is then they realize that this means hot. In a similar way, the Reinforcement machine learning technique learns from the consequences of its actions. To find out the best possible outcome.

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Why Machine Learning in Java:

Java is one of the senior and most popular languages used in the world of programming. It is used for software development and for the development of Big Data ecosystems. It is easy to use and high in demand. If calculated roughly around the world, more than nine million developers use Java. Private and public sector enterprises have a codebase that uses JVM as a primary computing environment. Since Java is everywhere, it has a massive demand in the programming world. Python, R, etc., are other machine learning programming languages used. Even though they may be good but Java is not lagging behind. With the aid of a  third-party open-source library, any Java developer can apply machine learning and get into Data Science. Apache Spark and Apache Kafka use Java as their core programming language to deal with big data. Because of security and reliability reasons Java has been used by these platforms for the development of their data system. 

Java applications have a ton of resources and community support. It is an object-oriented programming language that is portable and versatile. The first part of a machine learning process is a collection of Data. Therefore adequate machine learning tools are required. By choosing the proper machine learning tool and making careful decisions, the business will be able to make a profit. 

Significant platforms and open resource machine learning libraries in Java: 

Mahout:

Apache Mahout is a distributed framework. It provides machine algorithms for a platform known as Apache Hadoop. With this framework, one can work with built-in algorithms. It allows Mathematicians, Data analysts, statisticians, and data scientists to use their custom made algorithms. Along with offering high performance, scalability, and flexibility, Mahout also focuses on clustering, classification, and recommendation systems. It also includes reference implemented algorithms that run on a single node. Mahout was majorly designed for the purpose of entertainment.  

Java ML

Java ML, also known as Java Machine Learning, is a collection of machine learning algorithms. It has a standard interface for algorithms of the same type. It has plenty of codes and tutorials directed for programmers and software engineers. Algorithms that are written clearly have proper documentation processes and can be used for references in the future. Java ML has many features, some of them being: Data manipulation, clustering, classification, documentation, and feature selection. 

ADAMS

ADAMS, also known as Advanced Data Mining and Machine Learning Systems. The main aim of ADAMS is to build and maintain processing, data-driven, mining, and visualization of data. It has a comprehensive collection of operators, also known as actors, that can retrieve information and process data. It provides the users with various unique features such as machine learning, visualization, data processing, streaming, scripting, and many more. By using a tree-like structure and following a philosophy of less is more, ADAMS is a powerful platform and Machine Learning in Java. 

Deeplearning4j:

Deeplearning4j is written in Java and is suitable for Java Virtual Machine Language such as Kotlin, Scala, etc.  Apache Spark and Hadoop, the latest computing frameworks, are a part of Deeplearning4j’s library. It brings Artificial Intelligence into business environments and has a Commercial-grade as well as an open-source library. 

WEKA

WEKA, also known as Waikato Environment for Knowledge Analysis. WEKA is a machine learning library that has an open-source which was developed in New Zealand. The name of this Machine learning library was inspired by a flightless bird that is found in New Zealand. It is by far the best and ongoing project. Currently, it is the best place to start machine learning. WEKA has a collection of algorithms and supports the deep learning technique. It has a number of machine learning tools for regression, classification, visualization, and Data mining.

ELKI

ELKI also stands for Environment for DeveLoping KDD Applications Supported for Index Structures. It was developed by the Ludwig Maximilian University of Munich, Germany. 

It is a Java-based data mining framework used for the expansion of KDD applications. ELKI focuses on algorithm research that emphasizes outlier detection and cluster analysis. It provides data index structures such as R*- tree. This Java Machine Learning Library is famous among students and researchers who gain insights from data. 

RapidMiner:

RapidMiner used to be called Yet Another Learning Environment (YALE). It was developed in Germany at the Technical University of Dortmund. It is a platform that provides an environment for text ming, data preparation, deep learning machine learning, as well as predictive analytics. RapidMiner is used for business application, education, and training. It is easy to use and maintains workflow.  It is used for learning real-world related tasks and for research purposes. It offers a data processing system. 

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Stanford CoreNLP

Stanford CoreNLP is one of the machine learning tools sounded by Stanford University. It is a Java-based framework that can perform various NLP related tasks. It has a base of words, identifying text, parts of speech, etc. Stanford CoreNLP has many features, some of which are; for pipeline production, a fast and efficient text annotator is provided. It has a well-maintained text analytics that regularly updates and has a vast database. Many machine learning tools do not offer their users with a multi-language system. But Stanford CoreNLP supports multi human languages such as English, Arabic, Chinese, etc. One of the most important features of Stanford CoreNLP is that it uses Java as its primary tool, which makes it easy to use. It also provides AIP’s for major programming languages in the world. . It can also be used as a simple web- service. 

JSTAT

JSTAT also stands for Java Statistical Analysis tool. It is used under the GPL3 license. It has an extensive collection of Machine Learning algorithms amongst any framework that has a high performance rate in comparison to any other Java Library. It had been developed as a self education exercise. This framework is recommended in academic and research areas. Some of JSTAT’s primary features include clustering, classification, and feature

 selection methods. 

Neuroph:

Neuroph is an Artificial Neural Network (ANN) that is object oriented and written in Java. GUI tool is used for creating Neural Networks. Java helps developers to develop and train a set of Neural Networks. The latest update of Neuroph 2.96 has many updated features that can be used for standard machine tasks as it contains API improvements. 

Machine Learning in Java provides programmers, mathematicians, data scientists, and software engineers a platform with proper techniques and tools. Complex data allows them to gain insight. It is very important to process data and understand it by starting at the basic step, which is applying machine learning methods on basic tasks like clustering, classification, documentation, data analyzing, data mining, etc. By using Mahout, Deeplearning4J, ELKI, RapidMiner, and other tools, the use of Machine Learning becomes easier. 

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Profile

Pavan Vadapalli

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Director of Engineering @ upGrad. Motivated to leverage technology to solve problems. Seasoned leader for startups and fast moving orgs. Working on solving problems of scale and long term technology strategy.
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