Calling all developers, designers and thinkers! Come together to build open source tools and communities to enable the annotation of the world's knowledge.

Big Data Silicon Valley was created to help demystify big data, explore interesting use cases in different industries, go over some opportunities in the market and share tools that are available for your big data projects. We'll also go over what are some opportunities that startups can tap into in this industry. Why should you care: Big data will drive $120 billion of IT spending in 2013, according to Gartner. 93% of businesses feel like they're losing money by not being able to use the infor …

"Data Hacker" means any developer, data scientist, data architect, entrepreneur, engineer, or data nerd who is interested in discovering - meeting people interested in - and joining hackathons focused on - new open-source data-centric programming languages and technologies such as Hadoop, Hbase, Hive, Pig, Drill, Mahoot, Lucene, MongoDB, Graph Databases like Neo4J.... pretty much any developer-centric data technology. Data Hackers is a meetup group run by Data 2.0 (data2x.com) that hosts meetups …

Let's use open source technology to fix the financial industry! Large financial institutions caused the Great Recession, but regulators have not reformed them. Before the next crisis hits, let's create a suite of open source financial models and feed them with big data. We can use these technologies to figure out which assets are risky and which aren't. Rather than wait for top down financial reform from Washington DC, we can do it from the group up.

The world has experienced unprecedented urban growth in recent decades, and global data forecasts indicate this trend will only increase. Urban Tech SF focuses on the issues and strategies behind new technologies that improve (or hinder) our urban lives. Join us and explore a diverse range of urban technology projects in San Francisco. Participate in open civic engagement on the issues that shape our daily lives along the way.

This group is to discuss sensor technology and applications, and we welcome hackers, entrepreneurs, health-care professionals, scientists, quantified-selfers, the DIY community, and anyone else who is excited about sensors and sensor data. We also have a FB discussion group: http://bit.ly/sensorites

Helping teachers grow by addressing common pain points in professional development. In our continuing efforts to encourage Innovative Professional Development (iPD), the Foundation has identified the opportunity to engage various stakeholders in solving some of the common challenges faced by school districts as they implement iPD systems.  While district iPD systems may ultimately consist of a variety of applications from multiple vendors, these applications should work together seamlessly as a …

Come work together with other folks passionate about open government and civic tech! This is a weekly event hosted by Code for America, so come by and work on a civic project you have already started, start a new project, or collaborate with others on their projects. https://groups.google.com/forum/#!forum/code-for-san-francisco http://brigade.codeforamerica.org/brigades/81 https://www.github.com/sfbrigade irc.freenode.net #sfbrigade #codeforamerica

Welcome to the San Francisco Bay Area Data Warehouse Group! This is a user group to discuss and collaborate on strategies, best practices and experiences building data warehouses. This group is open for everyone interested in networking with other data warehousing professionals (architects, developers, modelers, analysts, data scientists, PMs, directors, recruiters, etc), learning the latest technologies and trends, and sharing best practices and experiences. For those interested in: Data Wareho …

Where the elite Essbase geeks meet to eat whilst at Oracle Open World. Food? Maybe. Drinks. Maybe that, too. Great conversation with fellow EPM practitioners? Absolutely.

A group devoted to the use and development of open source, big data, agile intelligence solutions, for the San Francisco Bay area. Join our group if interested in solving real business problems utilizing open source, big data analytical solutions.

Hackers meet Democracy. Join us and find out more about how hackers can change the way our democracies work. It belongs to us to redefine our democracies using what we've learnt in technology.

Welcome! Are you a social entrepreneur, technologist or maybe just interested in meeting awesome people? Then this group is for you! In this meetup group, we host regular group discussions focused on exploring what it means to run a nonprofit business today and in the future, as well as the challenges this community faces. Our goal is to explore what technology can and should mean for the nonprofit industry, while actively collaborating on new solutions for age-old problems. Understanding the tr …

Do you want to transform public spaces into vibrant interactive places? Spearhead projects that prioritize bikers and walkers? Improve our public transportation systems? Promote energy efficient buildings? Revitalize our blighted neighborhoods? Infuse art and creativity into our urban spaces? We all have thoughts and ideas on any of these topics. Let’s collaborate. This group is meant to bring together urbanists, planners, designers, environmentalists, artists, developers and anyone else interes …

This is where Splunk users and fans can organize user group meetups in their location. Thus far, we have user group meetups in Los Angeles, Chicago, San Francisco, Columbus, OH, St. Louis, and soon in San Diego. Add yours to the list. To learn more, go to Splunk.com and download the free version.

HBase is a robust, scalable, distributed, column-oriented store capable of hosting billions of row of sparse, structured data. HBase is open source and part of the Hadoop project. This meeting is for users and developers. Discussions will be around the most recent release of HBase, any issues users are having, and to help plan for the next release. Definitely come if you're a current user of HBase; or if your company has plans for a huge data store and you're evaluating solutions. Also check out …

This is a meetup for Bay Area users of Spark (www.spark-project.org), the high-speed Scala-based cluster programming framework. We'll be rotating among locations in San Francisco, Silicon Valley, and Berkeley. We'll also discuss other Spark-related projects, including the Hive-on-Spark port (Shark), and other new programming tools for big data. The meetup will include introductions to the various Spark features, case studies from current users, best practices for deployment and tuning, and futur …

This group is a place for developers to learn more about MongoDB, an open source, document-oriented, nosql database. 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. We typically meet on the second or third Tuesday of the month, have some pizza and network, and enjoy a presentation on Mongo.

R is an open source programming language for statistical computing, data analysis, and graphical visualization. R has an estimated one million users worldwide, and its user base is growing. While most commonly used within academia, in fields such as computational biology and applied statistics, it is gaining currency in commercial areas such as quantitative finance and business intelligence. Among R's strengths as a language are its powerful built-in tools for inferential statistics, its comp …

This meetup is about sharing knowledge & learning the latest developments about statistics, machine learning, math, analytics, parallel algorithms, distributed systems.

Modern machine learning algorithms like Support Vector Machine, Random Forest and Neural Nets are producing very promising results on large scale datasets. However understanding what is happening inside the black box and the nuanced differences of various implementations can be challenging. Topics and presentations will include open source tools, real-world case studies and an occasional talk by a theorist.

A forum for users and aficionados of MySQL to get together and talk about their favorite open source database!

Salesforce Integration & Analytics is a San Francisco meetup for Salesforce.com users, administrators, Force.com developers, sales and marketing professionals, and others interested in extending the Salesforce platform. Topics will include: data integration dashboards analytics business intelligence (BI) This meetup is not an official Salesforce.com event, but we are all big fans. The meetup is free and open to anyone. We meet every other month, usually on Wednesday evening, and start with 1.5 …

Meet other developers and ops engineers using Docker. Docker is an open-source engine for building and deploying cloud applications as standalone containers which can run on any server - from the VM on your laptop to the largest EC2 compute instance, and everything in between. Docker is a great building block for deploying web apps, database services, service-oriented architectures, and so on.

This is a user group for Salt in the Bay Area. From SaltStack.org: Salt is an open source tool to manage your infrastructure. Easy enough to get running in minutes and fast enough to manage tens of thousands of servers (and still get a response back in seconds). Execute arbitrary shell commands or choose from dozens of pre-built modules of common (or complex) commands. Target individual servers or groups of servers based on name, defined roles, or a variety of system information such as hardware …

San Francisco PyData is a group for data nerds who use Python and the available libraries: Matplotlib, NumPy, Pandas, NetworkX, etc.

The explosion of advertiser tracking, both on mobile devices and the web, has led to new Engineering problems to combat the loss of individual privacy. To this effect, the SF Privacy Engineering group serves as a gathering point for developers who work on efforts to identify, quantify, or mediate privacy data on the web and mobile. The purpose of the group is to help the Developer community network as well as learn and discuss engineering efforts in the Privacy space. We're open to all kind …

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 DataStax Cassandra SF User Group is a highly awesome meetup group, bringing together cool people distributed across the bay area to talk about our favorite NoSQL implementation, Apache Cassandra.