Green Energy

We’re excited to bring the community together for an evening of learning and connection. This time, we'll have a community member sharing a use case and, as usual, an Elastic employee sharing their expertise as well. Come support your fellow developers, learn something new, and meet others who are passionate about search, observability, and security. **Date and Time:** Tuesday, February, 10th from 5:30-7:30 pm EDT **Location:** Elastic Arlington Office - 4100 Fairfax Drive, Ste 500, Arlington, VA 22203 **Agenda:** * 5:30 pm: Doors open; say hi, grab a seat, and eat some food. * 6:00 pm: "Streaming Context: Powering Semantic Search with Kafka and Elasticsearch", by Sandon Jacobs, Developer Advocate at Confluent * 6:30 pm: Q&A * 6:40 pm: "Agent Builder: Providing Relevant Context for Data Driven Agents", by Joe Gentsch, Senior Solutions Architect at Elastic * 7:10 pm: Q&A * 7:20-7:30 pm: Networking & refreshments **Talk Abstracts:** **"Streaming Context: Powering Semantic Search with Kafka and Elasticsearch"** As the de facto platform for event streaming, we’ve seen how data from Apache Kafka can easily empower basic keyword search. But let's be real, modern semantic search applications need *context* to interpret the real meaning and intent of a user's query. We could wait around for the next batch job to kick off and provide that context... *or* we could serve it up in near real-time right from our data streams. In this talk, we'll discuss how to leverage data streams from Kafka to power much smarter semantic search with Elasticsearch. We’ll follow a simple event from a Kafka topic and see how it transforms into a powerful vector embedding. Then, we’ll see this whole flow in action using a k-Nearest Neighbor search to instantly find similar items in milliseconds. While my code examples will be in Java or Kotlin using the Spring Boot and Spring AI ecosystem, FEAR NOT! The core concepts—getting data into a vector format via a stream—are totally language agnostic. Join us to grab a few practical ideas you can take and use in your next project! **"Agent Builder: Providing Relevant Context for Data Driven Agents"** What are agents? What is context engineering? Join us as we dive into the importance of context engineering for providing relevant information to agents, and how to build grounded agents using Elastic Agent Builder. **Parking:** * The building’s parking garage is operated by Colonial Parking and is located off N. Randolph Street * Book a spot on[ SpotHero](https://spothero.com/search?kind=address&latitude=38.8818514&longitude=-77.1095268&search_string=4100+Fairfax+Dr+%23500%2C+Arlington%2C+VA+22203%2C+USA) * A Metro Station is located across the street

*TOPIC:* **The Foundation: Why Your Entity Choice is Your First Line of Defense** Is your business built on a rock or in the sand? Most entrepreneurs pick an entity structure based on a quick Google search, but as your business grows, that "simple" setup can become your biggest liability. Join us this month as Snapper Tams, Esq., co-founding partner of Cerulean Law Group, takes the mystery out of legal infrastructure. Drawing on his deep experience in business litigation and partnership disputes. Learn more about Snapper, [www.CeruleanLawGroup.com](http://www.ceruleanlawgroup.com) **Entrepreneur Breakfast Club** 🥓☕ Fuel your business. Feed your soul. Welcome to the **Entrepreneur Breakfast Club** — where small business owners come together over coffee, connection, and contagious energy. We’re not just here for pancakes and pep talks (though we love both). This is a morning meetup built for the dreamers, doers, and difference-makers in our local communities. Whether you're launching your first side hustle or running a seasoned shop, you belong here. Our mission? **Connect. Inspire. Grow.** We believe big things happen when passionate people sit at the same table. So come grab a seat, swap stories, share wins (and fails), and leave each meetup a little more fired up than when you came in. **Join us if you’re looking to:** ✅ Meet like-minded small business owners ✅ Get real-world advice & fresh ideas ✅ Build meaningful partnerships ✅ Start your day with purpose and inspiration No suits, no sales pitches — just good people, great conversations, and hot coffee.

Swing by DC Vegan after work for dinner and board games with other veg singles! We will be upstairs in the deli, at the tables along the wall on the left side (across from the counter where you order). The host will supply various board and card games, so we can play in a few groups. The event is free to attend, but please plan to buy food while you are there. DC Vegan is a VSDC Green Rewards Member, so if you are a member, bring your membership card for 10% off! We will be hanging out until the restaurant closes at 9, so feel free to arrive after 6. If your plans change and you will not be able to make it, please update your RSVP to “no” so that we can give the restaurant an accurate headcount beforehand. **As a VSDC singles event, this event is for vegan and vegan-aspiring adults who do not currently have a romantic partner.** People of any sexual orientation may join as long as they are single. Anyone 21 or older is welcome. You do not need to be looking to date; you can just come socialize with other singles. **Transportation** The nearest Metro station is Dupont Circle on the red line. There is street parking, but it is very hard to find, so we recommend using public transportation. **VSDC: More Than A Meetup** We are so glad to have you as part of The Veg Society of DC Vegan Meetup group, and we enjoy seeing you at our events. Did you know that [VSDC](https://vsdc.org/) is a nonprofit organization with membership benefits? With VSDC membership, you will save money at area restaurants and businesses, attend VSDC member-only events, and, most importantly, support us as a clear and consistent voice for improving the lives of all beings through community building and education centered on the benefits of a vegan diet and lifestyle. The VSDC membership fee is minimal, but the impact is significant! [Become a member of VSDC](https://vsdc.org/membership/). **Liability Waiver and Code of Conduct** When you sign up to attend, you automatically acknowledge [VSDC's Liability Waiver](https://vsdc.org/activity-waiver/) and commit to follow the code of conduct found at [Policies - VSDC - Veg Society of DC](https://vsdc.org/policies/).

Welcome. Come out and play! We meet on the 2nd, 3rd, and 4th TUESDAY of the month. Players of all skill levels are welcome. Bring a chess set if you can. Friendly group and a variety of skill levels are typical for each meeting. Adults of any age and children with a parent are welcome. Cohosted by Effie and Lawrence. Email us for updates: greenbeltchessclub@gmail.com Kids Night will be held on the third Tuesday each month. One of our most experienced chess enthusiasts and instructors, Gary Fok, and possibly other instructors, will be on hand to teach. (Adults are welcome as well!)

We’re excited to continue building AI in Practice with our monthly social! 🎉 Each month, we’ll host an informal happy hour and dinner at Upside on Moore in Rosslyn. Come join fellow AI builders, professionals, and curious minds for a relaxed evening of conversation, connection, and community. Whether you’re working on AI systems, advising on responsible adoption, or just interested in how AI is shaping law, compliance, finance, healthcare, defense, software, mission-driven organizations, or public service — this is a chance to meet like-minded people and help shape what this community becomes. 🍸 Drinks and food are available for purchase at the venue. 🤝 No formal agenda — just introductions, networking, and sharing what excites us about AI in practice. We’re so grateful for the early enthusiasm, and we look forward to seeing you each month as this community grows! **Date, Time & Location** 5:30 PM – 7:30 PM Thursday 23 October 2025 Upside on Moore 1831 Moore Street Arlington, VA 22209

Put aside your train specifications and population estimates: it's time to enjoy the lighter side of transit! Come watch curated video clips about the joys of public transportation, and play trivia games on our favorite subject. Also hear an update on our plans to celebrate the 50th anniversary of Metrorail, coming up in late March, including the chance to order your own commemorative t-shirt! Hope you all can make it!

Join us for a transformative sound and vibration journey, where you'll experience the profound energy of Light Language. Unlike traditional languages with fixed alphabets and agreed-upon meanings, Light Language is a vibrational expression that transcends human limitations and speaks directly to your soul and DNA. Some would call Light Language the “Language of the Soul.” This multidimensional, non-linear communication is best described as an experience, originating from within the soul, the Earth's guardians, or star nations. It uniquely resonates with each individual's vibrational needs, facilitating clearing, balancing, and aligning the body with newfound clarity. During the evening, Bill Sanda will guide the group through three Light Language meditations, with discussions in between. Investment: $20 Space is limited so a RSVP is required. This also helps to notify you if any changes or updates FIRST TIMERS: No prior experience necessary. All are welcome as long as you come with an open mind and respectful heart. Please plan to arrive 15 minutes early so you can get situated. You are also welcome to walk our grounds or check out or crystal shop. IMPORTANT DIRECTIONS: The address is 15406 Riding Stable rd. Property is at end of 1/2 mile driveway into the woods. you will drive over a small stream. Please be EXTRA MINDFUL to drive slowly (under 10 MPH) as to not stir any driveway dust. It is a shared driveway so it's important to respect our neighbors. Please do not stop to interact with horses. With Love & Gratitude

Open your heart, find your voice... We invite you to come sing with us! Gathering together, we will sing some sacred songs from various traditions/cultures. This is a wonderful heart-opening experience. An opportunity to connect with yourself, others, and Spirit through song. Let's share this medicine in community like our ancestors have done for generations before us. No experience needed - come as you are. Song sheets provided. Rhythm instruments, such as rattles and drums, are welcome. This event is led by Mandy and Theresa. Space is limited, so RSVP is required. Please plan to arrive 15 minutes early so you can get situated. FIRST TIMERS: All are welcome, as long as you come with an open/positive mind and respectful heart. No prior experience necessary. You are also welcome to walk our grounds or check out our crystal shop. IMPORTANT DIRECTIONS: The address is 15406 Riding Stable Rd. Property is at end of 1/2 mile long driveway into the woods. You will drive over a small stream. Please be EXTRA MINDFUL to drive slowly (under 10 MPH) so as to not stir up any driveway dust. It is a shared driveway, so it’s important to respect our neighbors. Please do not stop to interact with horses. Suggested Donation: $15-30. There's a bowl by the front door. Put in what feels right. There are also Venmo and Paypal options. With Love and Gratitude

It's supposed to warm up a little heading into the Valentine's Day weekend so it's perfect weather to weed a park. We are NPS Weed Warriors and Arlington Regional Master Naturalists and you should volunteer with us on Sunday, February 15 to learn about nature and remove invasive plants from everyone's favorite urban island. Meet us at the entrance to the bridge (on the parking lot side, look for the sign) at 10:00 and bring your garden gloves and loppers/pruners if you have them. If not, we can provide gloves and tools. Wear long sleeves and pants and don't forget a water bottle. We will have tasks ranging from easy (cutting English ivy and honeysuckle vines from trees) to hard (sawing down bush honeysuckle). Parking at TRI can be tight if it's a pretty day. When the parking lot is full, you can park in Rosslyn and take the trail down. If you can bike or walk or take public transit, that's wonderful. We'll see you there! Erica, Stephanie, and Heidi P.S. If you can't wait until then to RIP (Remove Invasive Plants!), go here to find more volunteer opportunities in Arlington parks: [Volunteer to Restore Native Habitat – Arlington Regional Master Naturalists (armn.org)](https://armn.org/volunteer-opportunities/)

**Enjoy the outdoors? Like having fun and meeting new people of all ages? Then come to the annual Ski Dance weekend held in the Laurel Highlands region of western Pennsylvania. SkiDance is a volunteer-led activity sponsored by Sierra Club Potomac Region Outings (SCPRO).** **Not sure how to cross country ski - no worries, free ski instruction is provided for beginners! Do you have two left feet and are not sure how to folk dance? Not a problem - we have two fabulous callers Janine Smith (contras) and Tom Spilsbury (English) leading our dances and they will have you moving to the music provided by the incredible Dave Wiesler and Mat Clark. Lots of fun and prices range from approximately $150 to $575 depending on your accommodations. For more information and registration forms go to [https://www.skidance.org](https://www.skidance.org) or contact the trip leader, Bob Mathis at 240-858-9341 or email [rjmathis62@gmail.com](mailto:rjmathis62@gmail.com) or Jody Blatt, the registrar at [jodyblatt@hotmail.com](mailto:jodyblatt@hotmail.com)** For more information and **registration forms** go to **https://www.skidance.org** or contact the trip leader, Bob Mathis at 240-858-9341 or email rjmathis62@gmail.com or Jody Blatt, the registrar at jodyblatt@hotmail.com You must complete an application in order to confirm attendance at Ski Dance. Applications can be downloaded from [www.skidance.org](http://www.skidance.org/).

Join the rest of the Grove in creating your own 2026 bingo cards. Then in 2027 we can see who did the best! There will be glue and glitter\~\~ Also, the first drink is on me!

We will be playing two games of **Gaia Project** with up to 8 players. All experience levels welcome. Expect the game teach to start promptly within the first 10 minutes. In **Gaia Project** fourteen different factions live on seven different kinds of planets, each faction being bound to their own home planets. To develop and grow, they must terraform neighboring planets into their home environments in competition with the other groups. All factions can improve their skills in six different areas of development: Terraforming, Navigation, Artificial Intelligence, Gaiaforming, Economy, Research; leading to advanced technology and special bonuses. To do all of that, each group has special skills and abilities. Find [here](https://www.youtube.com/watch?v=4Xxrbch65D8&pp=ygUYaG93IHRvIHBsYXkgZ2FpYSBwcm9qZWN0) a how to play video on youtube. Find [here](https://capstone-games.com/wp-content/uploads/2020/09/Gaia-Project-Rules-CG.0609sm2.pdf) the rulebook. Note: Please remember to update your RSVP if you can not attend the event. **The earlier you update your RSVP the better** so that players on the waitlist can attend. No-shows may make it harder to attend future meetups. Also, all library rules apply to this meetup event. Mainly that no food is allowed in the library. Covered drinks are allowed.

Join Sacred Sound Alchemy Columbus for a transformative Sound Bath experience that will take you on a journey of self-discovery and healing. Immerse yourself in the powerful vibrations of various sound instruments like crystal singing bowls and rain drums, carefully orchestrated to balance your chakras and uplift your spirit. The soothing sounds will help you release negative energy, reduce stress, and promote deep relaxation. This event is perfect for those seeking a moment of tranquility and a chance to connect with their inner selves. Whether you are new to sound healing or a seasoned practitioner, you will benefit from the harmonious frequencies that will resonate with your body and soul. Come and allow yourself to be enveloped in a wave of healing energy, leaving you refreshed, rejuvenated, and ready for life's next chapter. Please bring something comfortable to lay on like a yoga mat. Being a pillow for your head or for under your knees and a blanket to cover over yourou. The library can get cold. Bring some water to help flush your body for after the session.

**People Analytics 101: Making Sense of Compensation Data** Compensation data is one of the most widely used and widely misunderstood forms of people analytics. The session will cover where compensation data comes from, including market pricing data, internal payroll data, and benchmarking sources, and how companies think about structuring and analyzing that information. We will explore how compensation data is leveraged to set salary ranges, manage internal equity, support hiring and retention, and align pay with business strategy. A portion of the session will address common data challenges and limitations, such as market noise, inconsistent job matching, and incomplete datasets, while keeping the primary focus on practical use rather than technical depth. The session will also look ahead at where the space is going, including the growing impact of pay transparency laws, expanding pay equity requirements, and emerging regulations in the US and Europe that require organizations to report on gender and pay gaps. The goal is to give attendees a clear mental model for how compensation analytics works today and why getting it right is becoming increasingly critical. (note: we are back at Rev1 this month!) **About Our Speaker** [Alex Moore](https://www.linkedin.com/in/alexscottmoore/) is the founder of [Moore Cooperative](https://moorecooperative.com/), where he advises organizations on compensation strategy, pay equity, and people analytics. His work focuses on helping organizations like the Ohio Supreme Court design, analyze, and communicate compensation systems that are data-informed, defensible, and aligned with organizational goals. Alex lives in Granville, Ohio and has three little kiddos. More info at [cbusdaw.com](https://cbusdaw.com)

Polarity Reflexology (PR) Certificate Course: (2026) February 21-22 March 21-22 April 25-26 May 30-31 June 27-28 Students must attend all 5 weekends to receive Certificate Classes run from 8:30am-5:30pm each scheduled day Information & Registration Link can be found here: [Polarity Reflexology (PR) Certificate Course](https://www.gafee.org/#/polarity-reflexology-pr/) *[Global Academy for Energetic Education (GAFEE) is Registered with the Ohio State Board of Career Colleges and Schools and is authorized to teach Diploma and Certificate Programs. (Registration #2091)](https://oh.edvera.com/directory/institutions)*

NFT's are here to stay folks! This is a group for like minded people interested in understanding, leveraging, using, creating for, profiting from, trading too i suppose, NFT's.. everything around them, complexity, fear and exploits, best practices and more. **PLUS** This group will talk AI ART tools, techniques, artists, video, audio, prototypes and more in the AI assisted production space- ART specifically, but we can get into any aspect of some of the cooler things happening in AI in general.

**Important time note:** Please plan on arriving between 5:30 and 6:00 as the elevators lock after 6 and you'll need to message us and we'll need to come get you. The building address is 4450 Bridge Park The entrance is 6620 Mooney St, Suite 400 **Abstract** TBD **YouTube Link** TBA

Join Sacred Sound Alchemy Columbus for a transformative Sound Bath experience that will take you on a journey of self-discovery and healing. Immerse yourself in the powerful vibrations of various sound instruments like crystal singing bowls and rain drums, carefully orchestrated to balance your chakras and uplift your spirit. The soothing sounds will help you release negative energy, reduce stress, and promote deep relaxation. This event is perfect for those seeking a moment of tranquility and a chance to connect with their inner selves. Whether you are new to sound healing or a seasoned practitioner, you will benefit from the harmonious frequencies that will resonate with your body and soul. Come and allow yourself to be enveloped in a wave of healing energy, leaving you refreshed, rejuvenated, and ready for life's next chapter. Please bring something comfortable to lay on like a yoga mat. Being a pillow for your head or for under your knees and a blanket to cover over yourou. The library can get cold. Bring some water to help flush your body for after the session.

Bring your Raspberry Pi, Arduino, microcontroller, or any other electronic project and join fellow electronics makers for a night of creativity and collaboration! This session is open forum to share your current projects—whether complete or in progress, it’s all interesting! Whether you’re deep into embedded systems, exploring new ideas, or just getting started, you’ll find a welcoming space to collaborate, share, and get inspired. This session will be at the Karl Road Library in Conference Room 1