A group for users of Apache Cassandra to meet and discuss the popular "NoSQL" database. If you use Apache Cassandra in a production environment, or you are thinking about using it, you should come along to learn from others in the same boat. http://cassandra.apache.org/

This group is a place for developers to learn more about the non-relational, open source, document-oriented database MongoDB. MongoDB is the leading NoSQL database and many of the key committers often travel to London. So if you are facing challenges with MySQL or Postgres or Oracle and want to explore a more flexible, scalable alternative, please join us at one of our monthly sessions.

The Oracle community meetup for all things relating to Oracle and Big Data / Hadoop / NoSQL within an Enterprise environment. For less specific and more general Big Data and Hadoop community discussions please see two excellent London meetups: Big Data London meetup Hadoop User Group UK meetup Also for a perspective on the business value of Big Data try LonData.

The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model. The Reading Apache Cassandra User Group is a highly awesome meetup group, bringing together cool people distributed across Reading to talk about our favorite NoSQL implementation, Apache Cassandra.

Welcome to Big Data London - Europe's biggest Big Data community. Big Data London brings together people working on Big Data projects. If you're using Hadoop, Apache Cassandra or any other NoSQL related technology, if you're involved with web apps, enterprise apps, data analytics, financial apps or storage at massive scale, or simply want to learn more about the space, then you'll find something interesting here. So come and join us.

The omnipotent big data group that is all things to do with dealing with, managing, handling and delivering big data, in the mild mild South West. Topics include MySQL, NoSQL, MongoDB, Cassandra, Node.js, scaling, engineering data, open-source, linkeddata, and beer. Discussion at http://groups.google.com/group/south-west-big-data.

We're Neo Technology, the company that behind Neo4j, the world's leading graph database.  We think graph databases are the future of data storage, because it's so expressive to model interesting connected data in a graph and super fast to query too. Every month we get together with our community (and customers) for fun and informative talk on Neo4J or graphs in general. Whether you're new to the world of graph databases or if you're an experienced graphista, everyone's welcome to join us for a …

Welcome to the London .NET user group. The group was etablished in 2002 to provide developers developers working with Microsoft's .NET framework with access to the latest and best information. At our monthly meetings you can hear expert speakers who dig 'under the hood' and keep you informed on best practices and future directions. We have long pushed beyond the boundaries of traditional MS education; we covered topics like TDD and NHibernate as early as 2004 and today we talk about Node.JS, NoS …

We are a community of data scientists, technologists and analyts that work with data. This is a new meetup that aims to discuss the tools, methods and technologies used by many startups and enterprises to analyse large scale data (big data), obtain predictive insight, and exploit business opportunities from data products. We'll have data scientists talking about topics like: big data analytics, distributed data analytics, Pig, Hive, data mining, machine learning, scalable data analytics, predict …

A group for the application of cutting-edge HPC & GPU supercomputing technology to cutting-edge business problems. With an emphasis on the useful application of supercomputing by practitioners, for practitioners. Note: We have a sister groups that meet in New York, Boston, Chicago, Silicon Valley, Paris, Seattle, Washington DC, Tokyo, Australia, India, and elsewhere.

A warm welcome to Big Data / Data Science / Data Analytics Jobs! With Data growing at such an exponential rate, organisations are flocking to find solutions of how to manage their Critical Data. This has created a new breed of expertise that is in somewhat short supply. This group aims to bring together a community with a common interest in analysing, understanding and monetising Big Data, create opportunities for those who are able to do so and solve a few problems for Organisations’ who are no …

Data Science London, the #datascience community We are a non-profit professional organisation dedicated to the free, open, dissemination of data science. We are a community of data scientists that meets regularly to discuss the tools, methods and technologies used by many startups and enterprises to analyse large scale data (big data), obtain predictive insight, and exploit business opportunities from data products. Follow us on twitter @ds_ldn Read our blog www.datasciencelondon.com We'll have …

Welcome to the London Big-O Meetup! This is London's first meetup focusing on data structures and algorithms, regardless of programming language. I started this meetup for a few reasons. There's a general lack of similar events for people interested in the theory or maths behind the tools we use every day—dictionaries, sets, lists and regular expressions are things we all take for granted, but when you reach a large enough scale, the differences between implementations begin to show. It's import …

A meetup to discuss Redis in London

This group discusses the design and implementation graph databases with a focus on distributed architectures. These databases use graph structures with nodes, edges, and properties to represent and store information. You should join if you need to deliver systems and services for social networking, business intelligence, scientific research, or similar areas requiring fast discovery of higher-order relationships (node to edge graph structures) in large, distributed data.

We are the Hadoop users group for the UK based in London. We meet monthly for talks and discussion on all topics related to Hadoop. Join if your intrested in learning what Hadoop is, how people are using it with their big data problems, and to meet other people with experience running and coding on Hadoop cluster around London and the UK.

The MarkLogic User Group London is for users and/or fans of MarkLogic and those who are interested in learning more about MarkLogic, XML, XQuery and related technologies. MUGL meetups are free and open to anyone that wishes to attend. There is no formal membership for the group, but you can join our mailing list at http://mugl.org. Meetings are held monthly.

A place where web developers can meet, chat and share experience with fellow professionals.  We hold regular hack nights to introduce members to new technologies and methodologies. Developers, designers, entrepreneurs and the curious all welcome.

This group is a place for developers in the Thames Valley to learn more about the non-relational, open source, document-oriented database MongoDB. So if you are facing challenges with MySQL or Postgres or Oracle and want to explore a more flexible, scalable alternative, please join us at one of our monthly sessions.

This is a networking group for those interested in Big Data & the Cloud. It is open to all Big Data and Cloud specialists in London who like to share their experiences and ideas. Organised by eSynergy Solutions, an IT recruitment company based in the heart of the City. In early 2012 we set up a Cloud and Big Data division  specialising in recruiting for contract and permanent Big Data technical positions. We work with Big Data Vendors, Specialised Consulting companies and end user clients to fi …

This group is for women who love data; big or small. Whether you work in data or want to know what the fuss is all about. Let's get together to share experiences, learn and shout about our achievements. The group format will be directed by the needs of it's members. At whatever stage of your career and whatever your specialty be it a Statistician, Developer, Visualizer, Journalist or a little of everything we hope to have a place for everyone to develop. We hope to get women working on interesti …

Group of people interested in CouchDB and the associated ecosystem (e.g. rich html5 applications, MVC & asynchronous javascript, big data, data visualisation). More information can be found on http://bristol.couchdb.org/

Learn from and meet with other developers, devops and QA professionals that use JMeter to test web apps. JMeter User's group is an open forum where JMeter and even Selenium users from all levels (beginner, intermediate, afficianados) can interact, network and share insights and information. Topics include JMeter, Selenium, scripting, performance, load and stress testing, test-driven development, continuous integration, building automated test scripts and other topics. Feel free to request and po …