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FOSS4G NA 2024 - Searching the Spatial Data Lake: Bring GeoParquet to Apache Lucene - Wes Richardet

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محتوای ارائه شده توسط Project Geospatial. تمام محتوای پادکست شامل قسمت‌ها، گرافیک‌ها و توضیحات پادکست مستقیماً توسط Project Geospatial یا شریک پلتفرم پادکست آن‌ها آپلود و ارائه می‌شوند. اگر فکر می‌کنید شخصی بدون اجازه شما از اثر دارای حق نسخه‌برداری شما استفاده می‌کند، می‌توانید روندی که در اینجا شرح داده شده است را دنبال کنید.https://fa.player.fm/legal

Wes Richardet’s talk at FOSS4G NA 2024 focuses on improving search capabilities within spatial data lakes using GeoParquet and Apache Lucene. He discusses the evolution of data storage, the need for efficient search solutions, and the integration of different technologies to enhance performance. Highlights 🌍 Wes Richardet emphasizes the importance of searching in spatial data lakes. 🔍 Apache Lucene serves as the foundational technology for various search engines. 📈 The rise of big data led to challenges in efficient data retrieval and storage. 🛠️ New extensions for PostgreSQL and other databases enhance search capabilities. ⚙️ Lucene’s inverted index improves search performance by allowing efficient document retrieval. 📊 GeoParquet offers a hybrid storage solution that balances row and columnar access patterns. 💡 Richardet advocates for leaving data in its original storage to reduce redundancy. For more content like this check out www.projectgeospatial.com #SpatialData #GeoParquet #ApacheLucene #BigData #FOSS4G #DataStorage #SearchOptimization

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362 قسمت

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iconاشتراک گذاری
 
Manage episode 461965967 series 3234430
محتوای ارائه شده توسط Project Geospatial. تمام محتوای پادکست شامل قسمت‌ها، گرافیک‌ها و توضیحات پادکست مستقیماً توسط Project Geospatial یا شریک پلتفرم پادکست آن‌ها آپلود و ارائه می‌شوند. اگر فکر می‌کنید شخصی بدون اجازه شما از اثر دارای حق نسخه‌برداری شما استفاده می‌کند، می‌توانید روندی که در اینجا شرح داده شده است را دنبال کنید.https://fa.player.fm/legal

Wes Richardet’s talk at FOSS4G NA 2024 focuses on improving search capabilities within spatial data lakes using GeoParquet and Apache Lucene. He discusses the evolution of data storage, the need for efficient search solutions, and the integration of different technologies to enhance performance. Highlights 🌍 Wes Richardet emphasizes the importance of searching in spatial data lakes. 🔍 Apache Lucene serves as the foundational technology for various search engines. 📈 The rise of big data led to challenges in efficient data retrieval and storage. 🛠️ New extensions for PostgreSQL and other databases enhance search capabilities. ⚙️ Lucene’s inverted index improves search performance by allowing efficient document retrieval. 📊 GeoParquet offers a hybrid storage solution that balances row and columnar access patterns. 💡 Richardet advocates for leaving data in its original storage to reduce redundancy. For more content like this check out www.projectgeospatial.com #SpatialData #GeoParquet #ApacheLucene #BigData #FOSS4G #DataStorage #SearchOptimization

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The segment provides a broad understanding of the Civil Applications Committee (CAC) , which serves as a crucial link between different sectors to facilitate the use of advanced technologies for various public benefits. It highlights the CAC's role in enabling federal civil agencies to access and utilize remote sensing data and capabilities from the Intelligence Community (IC) and the Department of Defense (DoD) , as well as commercial sources, for civil applications such as disaster relief and management. This episode and more can be found at www.projectgeospatial.org.…
 
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Summary The video recaps the 2024 FOSS4G North America event, highlighting key discussions and innovations in open-source geospatial technology. Highlights Overview of the FOSS4G NA event, focusing on open-source geospatial advancements. Insightful discussions on collaborative projects and community contributions. Presentations from industry leaders and experts in geospatial technology. Networking opportunities that fostered connections among participants. Emphasis on future trends and challenges in the open-source geospatial sector. Keywords #FOSS4G #geospatial #technology #open-source #community #innovation…
 
Here's a podcast description for our GEOINT 2024 recap episode, highlighting major themes from the conference. This is an AI podcast experiment aggregating our content helping analyze and bring focus on what's important. Tune in and listen in. Join us for a deep dive into the highlights of the GEOINT 2024 Symposium! This year's conference in Orlando, Florida, was packed with exciting developments, and we're here to break down the key themes and trends that emerged. We'll explore how the geospatial intelligence community is evolving, discussing everything from cutting-edge technologies to the expanding role of commercial partnerships. In this episode, we'll cover: * The Proliferation of Satellites and Data: The sheer number of satellites being launched, including small sats with impressive capabilities, is revolutionizing GEOINT. We'll discuss the implications of this increased access to imagery, the variety of sensors, and how it impacts different markets. * The Rise of AI and Machine Learning: Artificial intelligence (AI) and machine learning (ML) are no longer just buzzwords. They're critical for analyzing the vast amounts of data being generated. We'll explore how these technologies are being used in areas such as cloud removal from imagery, object detection, and identifying lithium mines. We'll also examine how the industry is tackling the challenge of labeling data to build reliable AI tools. * The Importance of Open Data and Standards: The need for open data and interoperability was a major topic of conversation. We will discuss the importance of machine-readable data, ethical considerations, and the efforts of organizations like the Open Geospatial Consortium (OGC) in setting standards. * Commercial Partnerships and Innovation: The increasing role of commercial companies and their innovative solutions was clear. We'll touch on how these partnerships are driving progress and what it means for the future of the industry. This includes discussions of commercial providers like Albedo, Astera, Capella Space, Maxar, and Pixxel. * Cybersecurity and Data Protection: With the increase in data and reliance on technology, security is paramount. We'll discuss the need to safeguard data, address potential cyber threats, and explore strategies for managing risk in a complex environment. * Workforce Development and Data Literacy: There's a growing need to train analysts and other professionals to effectively use the available data and tools. We'll touch on initiatives to increase data literacy, as well as the critical role of coaching to optimize personnel. * The Expansion of GEOINT Applications: GEOINT is expanding beyond its traditional defense and intelligence applications into a variety of sectors including agriculture, energy, disaster response, and financial services. We'll look at some of these non-traditional areas where geospatial data is making an impact.…
 
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Jason Gilman from Element 84 discusses the integration of large language models (LLMs) with geospatial data to enhance search and analysis capabilities in his talk at FOSS4G NA 2024. Highlights 🌍 LLMs can bridge the gap between geospatial data and user inquiries, enabling effective search. 🤖 LLMs function like CPUs, processing natural language but lacking real-world awareness. 🌐 A “broker” system is essential to manage LLM’s capabilities and ensure deterministic outputs. 📊 The use of JSON and vector databases facilitates efficient data extraction and manipulation. 🗺️ Natural language geocoding allows users to specify geospatial queries easily. 💻 LLMs can generate SQL queries from natural language, streamlining database interactions. ⚡ Performance optimization is crucial, balancing prompt brevity with output quality. For more content like this check out www.projectgeospatial.com #Geospatial #AI #LLM #DataAnalysis #FOSS4G #NaturalLanguageProcessing #TechInnovation…
 
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Nicholas Knize discusses optimizing geospatial indexing and hybrid search using advanced data structures within the Lucene framework at FOSS4G NA 2024. He emphasizes reducing cloud infrastructure waste and improving geospatial data processing efficiency. Highlights 🌍 Discusses hybrid search and GeoAI advancements. 💡 Explains the evolution of geospatial data structures in Lucene. 📉 Addresses cloud infrastructure waste, estimated at $72 billion. ⚙️ Describes improvements in handling complex shapes and polygons. 🔄 Highlights collaboration between vector and geospatial indexing. 📊 Emphasizes efficiency in search data structures for better performance. 🛠️ Shares insights from experience at Elasticsearch and Lucene. For more content like this check out www.projectgeospatial.com #Geospatial #DataStructures #HybridSearch #CloudComputing #GeoAI #Lucene #FOSS4G…
 
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Dan Baston presents “exactextract,” a library designed for efficient raster/vector zonal statistics analysis. This tool accurately transfers information from raster datasets to vector datasets, addressing limitations in existing methods. Highlights 🌍 Dan Baston is a software engineer focusing on open-source projects, primarily for federal government consulting. 🛠️ “exactextract” simplifies the process of zonal statistics, especially for large and complex datasets. 📊 The library efficiently handles raster data, making it suitable for diverse applications like climate modeling. ⚡ It improves speed and accuracy compared to traditional methods like point-in-polygon tests. 📈 Benchmarks indicate significant performance improvements over existing tools like QGIS and Python’s raster stats. 🧠 The library allows for population-weighted calculations, enhancing analysis relevance. 📦 Recently released a Python interface, expanding accessibility for users. For more content like this check out www.projectgeospatial.com #GIS #OpenSource #DataAnalysis #Raster #Vector #ZonalStatistics #ClimateModeling…
 
Matthew Hanson discusses recent updates and challenges surrounding the SpatioTemporal Asset Catalog (STAC) at the FOSS4G NA 2024 conference, emphasizing its open-source ecosystem and the importance of data extensions. Highlights 🌐 STAC is an open-source framework for geospatial data management. 📈 Adoption is a key metric for the maturity of its specifications. 📊 78 extensions exist, categorized by their maturity and usefulness. 🔍 Content and usage extensions serve different purposes in data management. 📅 STAC 1.1 introduces a flexible bands construct for better metadata definition. 🤝 Leadership diversity in STAC’s steering committee is a concern. 🛠️ Challenges include bloated metadata and interoperability across providers. For more content like this check out www.projectgeospatial.com #STAC #GeospatialData #FOSS4G #OpenSource #DataManagement #Metadata #EarthObservation…
 
Dan Pilone discusses the complexities of choosing between building, buying, or adopting open-source software, particularly in the geospatial software development context. He emphasizes the importance of decision-making criteria to mitigate risks and enhance project success rates. Highlights 💡 Understanding the importance of open-source can lead to better decision-making. 📊 Projects are often challenged, with success rates around 30%. 📉 Smaller projects tend to perform better and stay within budget. 🤝 Open-source offers a shared responsibility model, balancing risks. ⚖️ Key criteria for decision-making include cost, scalability, and integration. 🛠️ Engaging with your team on these criteria is crucial for alignment. 🔍 Evaluate all options before committing to a build or purchase. For more content like this check out www.projectgeospatial.com #OpenSource #SoftwareDevelopment #Geospatial #ProjectManagement #RiskMitigation #DecisionMaking #FOSS4G…
 
Nathan McEachen discusses the integration of geospatial awareness into large language models (LLMs) through open-source software, emphasizing the importance of interoperability and knowledge-sharing in addressing complex societal issues. Highlights 🌍 Geospatial awareness is crucial for addressing public health and climate crises effectively. 🔗 Current data methodologies are siloed, making integration across domains challenging. 📊 Knowledge infrastructures are needed to publish data in interoperable formats for better usability. 🚨 The UN emphasizes collaboration across domains to tackle global challenges like sustainable development. 💡 Large language models can enhance data analysis but require reliable geospatial metadata. 🧩 Spatial knowledge graphs can help bridge gaps between geospatial data and LLMs by ensuring semantic relationships. ⏳ Data validity and changing boundaries pose ongoing challenges in geospatial analysis. For more content like this check out www.projectgeospatial.com #Geospatial #AI #OpenSource #DataIntegration #SustainableDevelopment #KnowledgeGraphs #PublicHealth…
 
Tracy Homer discusses the intersection of open-source mapping and art in her presentation, showcasing various artistic map projects she has completed using open-source tools and technologies. Highlights 🎨 Tracy Homer merges open-source mapping with artistic expression. 🧵 Created a unique cross-stitch map of Tennessee, demonstrating pixel art techniques. ✂️ Utilized CNC laser cutting for detailed maps of her hometown and Tennessee’s hydrology. 🖥️ Inkscape and QGIS are key tools for vector editing and data management. 🏞️ 3D printing of topographic maps highlights the importance of vertical exaggeration. 🌍 Discussed challenges in simplifying complex map data for various projects. 🔄 Shared tips on customizing patterns and optimizing designs for efficient production. For more content like this check out www.projectgeospatial.com #OpenSource #MappingArt #FOSS4G #3DPrinting #GIS #CreativeDesign #Inkscape #CommunityArt…
 
David Miller and Kevin McGrath discuss advancements in web-based National Weather Service (NWS) guidance data displays using FOSS4G technologies. They highlight the evolution of their web mapping tools, focusing on improved interactivity and data accessibility. Highlights 🌐 Transitioned NWS viewer to cloud-based services for better performance. 📊 Introduced the National Digital Forecast Database for comprehensive weather data. 🔄 Enhanced user interaction with features like mouseover readouts and forecast sliders. ☁️ Utilized Amazon Web Services for streamlined data processing and storage. 🖥️ Employed open-source tools like OpenLayers and MapServer for development. ♻️ Improved mobile accessibility to aid field users in weather forecasting. 🔍 Integrated various data models to improve accuracy and reliability of forecasts. For more content like this check out www.projectgeospatial.com #WeatherForecasting #FOSS4G #OpenSource #WebMapping #DataVisualization #NWS #CloudComputing…
 
The talk presents the Overture Map Foundation, a collaborative initiative aimed at creating reliable and interoperable open map data. The foundation seeks to streamline map data management and provides a unified approach to geographic features through a Global Entity Reference System (GERS). Highlights 🌍 Overture Map Foundation aims to create a “Linux kernel” for geospatial data. 🗺️ Collaboration among various companies to avoid redundant map creation. 🔑 GERS provides unique IDs for geographic features, ensuring consistency over time. 📊 Data includes addresses, buildings, land use, and transportation networks. 🔄 Schema enforcement enhances data integrity and usability. 📂 Use of GeoParquet files for efficient data streaming and management. 📖 Open access to documentation and resources for users. For more content like this check out www.projectgeospatial.com #OvertureMapFoundation #GeospatialData #OpenData #GIS #MapData #Collaboration #GeoParquet…
 
Andrea Aime discusses how GeoServer facilitates the serving of Earth observation data, focusing on capabilities like cataloging, filtering, and image mosaicking from satellite data. Highlights 🌍 GeoServer aids in managing vast Earth observation data from satellites and sensors. 📊 The STAC API helps organize data into collections, making it easier to search. 🔍 Customizable HTML interface enhances user experience for accessing data. 🗄️ Image mosaics can be created dynamically, allowing for flexible data representation. ⚙️ Supports various data sources, including local file systems and cloud storage. 📈 Advanced filtering and sorting optimize data retrieval for specific needs. 🖼️ Coverage views enable the integration of multi-band imagery for comprehensive analysis. For more content like this check out www.projectgeospatial.com #GeoServer #EarthObservation #OpenSource #DataManagement #SatelliteData #ImageMosaic #SpatialAnalysis…
 
Jenna Dolecek discusses the vital role of open GIS data in investigating human rights violations, presenting projects that leverage geospatial analysis to track detention facilities in Tibet and document the destruction of villages in Myanmar. Highlights 🌍 Open GIS data aids in global human rights investigations. 🗺️ The Tibet research project identified 85 detention facilities using crowd-sourced data. 🔍 Geospatial analysis confirmed a prison’s location through multiple data sources. 🔥 The Ochelli project documented village destruction during Myanmar’s clearance operations. 📊 Data from NASA and Google Earth was crucial for verifying incidents. 📈 Trends and patterns are visualized using maps to understand conflict dynamics. 📸 Tools like Mapillary complement existing data sources for investigations. For more content like this check out www.projectgeospatial.com #GIS #HumanRights #OpenData #Maptivism #GeospatialAnalysis #FOSS4G #DataScience…
 
Adeel Hassan discusses the significance of geospatial vector embeddings derived from imagery, highlighting their potential in the geospatial domain through open-source models and tools. Highlights 🌍 Vector embeddings are crucial for analyzing high-dimensional geospatial data. 🧠 They represent data points in a lower-dimensional space, revealing similarities and dissimilarities. 📊 Applications include clustering similar images and detecting changes over time. 🔍 Text-image embeddings enable natural language search based on image content. 🚀 Open-source models like Sky Clip enhance functionality for geospatial applications. 📈 Seasonal variations in embeddings can indicate environmental changes and events like floods. 🛠️ The technology is still evolving, presenting both opportunities and challenges. For more content like this check out www.projectgeospatial.com #Geospatial #MachineLearning #VectorEmbeddings #OpenSource #DataAnalysis #RemoteSensing #AI…
 
The FOSS4G NA B2B social brings together open-source leaders from government and industry to network, discuss industry trends, and form partnerships. B2B fosters collaboration, knowledge sharing, and new business opportunities, aiming to strengthen industry connections and drive growth for participating companies. The mission of B2B is to facilitate networking and interpersonal connections that carry collaboration beyond the FOSS4G NA event and will include attendees from both industry and government. This year's event was hosted by Greater St. Louis, featured a keynote from Square Co-Founder and Author Jim McKelvey.…
 
Elizabeth Christensen discusses effective management of Postgres and PostGIS databases, focusing on operations, resource management, and the importance of indexing. Highlights 📊 Postgres versions: Upgrade to 14, 15, or 16 for better performance. ☁️ Hosting options: Choose between self-managing or fully managed cloud services. 📈 Memory matters: Allocate sufficient memory for optimal database performance. 🔍 Indexing importance: Essential for efficient spatial data querying. 🛠️ Monitoring: Set up proper logging and monitoring systems for performance insights. 💻 Free resources: Check out learn.crunchydata.com for tutorials on SQL and PostGIS. 🔄 Regular updates: Keep up with quarterly maintenance versions for security and performance. For more content like this check out www.projectgeospatial.com #Postgres #PostGIS #DatabaseManagement #OpenSource #TechTalk #FOSS4G #DataScience…
 
Peter Herman and Karina Hoyer discuss beginner-friendly methods for scraping geospatial data from web maps, including techniques using R and Google Sheets. Highlights 🌐 Introduction to web scraping for geospatial data presented by experts from NOC. 🛠️ Overview of three scraping methods: HTML/XML queries, fetch requests, and undocumented APIs. 📊 Emphasis on transforming web map data into tabular datasets for analysis. 🔍 Challenges of scraping dynamic web maps that load data upon user interaction. 📈 R and Google Sheets showcased as tools for accessing and cleaning scraped data. 📉 Explanation of difficulties with web maps requiring authentication for data access. 🧩 Tips for finding hidden data in developer tools and using XPath queries in Google Sheets. For more content like this check out www.projectgeospatial.com #WebScraping #GeospatialData #DataScience #RStats #Python #GoogleSheets #FOSS4GNA2024…
 
The talk presents the Overture Map Foundation, a collaborative initiative aimed at creating reliable and interoperable open map data. The foundation seeks to streamline map data management and provides a unified approach to geographic features through a Global Entity Reference System (GERS). Highlights 🌍 Overture Map Foundation aims to create a “Linux kernel” for geospatial data. 🗺️ Collaboration among various companies to avoid redundant map creation. 🔑 GERS provides unique IDs for geographic features, ensuring consistency over time. 📊 Data includes addresses, buildings, land use, and transportation networks. 🔄 Schema enforcement enhances data integrity and usability. 📂 Use of GeoParquet files for efficient data streaming and management. 📖 Open access to documentation and resources for users. For more content like this check out www.projectgeospatial.com #OvertureMapFoundation #GeospatialData #OpenData #GIS #MapData #Collaboration #GeoParquet…
 
Wes Richardet’s talk at FOSS4G NA 2024 focuses on improving search capabilities within spatial data lakes using GeoParquet and Apache Lucene. He discusses the evolution of data storage, the need for efficient search solutions, and the integration of different technologies to enhance performance. Highlights 🌍 Wes Richardet emphasizes the importance of searching in spatial data lakes. 🔍 Apache Lucene serves as the foundational technology for various search engines. 📈 The rise of big data led to challenges in efficient data retrieval and storage. 🛠️ New extensions for PostgreSQL and other databases enhance search capabilities. ⚙️ Lucene’s inverted index improves search performance by allowing efficient document retrieval. 📊 GeoParquet offers a hybrid storage solution that balances row and columnar access patterns. 💡 Richardet advocates for leaving data in its original storage to reduce redundancy. For more content like this check out www.projectgeospatial.com #SpatialData #GeoParquet #ApacheLucene #BigData #FOSS4G #DataStorage #SearchOptimization…
 
Michele Tobias shares insights on using publicly available data for remote sensing of sandy beaches, emphasizing the challenges of traditional data collection methods and the potential of open-source tools. Highlights 🌊 Focus on Beach Remote Sensing: Utilizing open data to analyze coastal ecosystems. 📊 Challenges of Traditional Methods: Fieldwork is costly and time-consuming, with limited sampling frequency. 🚁 Limitations of Aerial Imagery: Custom flights and drones face logistical and regulatory hurdles. 💻 Tools Used: Primarily R with Terra and SF packages for data analysis. 🌱 Importance of Vegetation: Small plants play a crucial role in beach ecology and dune formation. 📈 Data Quality: Sentinel imagery provides lower resolution, impacting vegetation detection quality. 🔍 Future Directions: Need for improved methodologies and better data resolution for effective environmental monitoring. For more content like this check out www.projectgeospatial.com #RemoteSensing #BeachEcology #OpenData #DataScience #CoastalResearch #EnvironmentalMonitoring #GIS…
 
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