Top all-time · #1794
Memgraph
Company blog · memgraph.com/blogdataprogramming
Memgraph is the company blog at memgraph.com, writing about data and programming. Since 2020, 41 different Hacker News readers have linked it 276 times, most often “Interpreting the Callgrind and gperftools profilers results”. No feed was found, so read it on the site itself.
Too few sampled comments (28) to say how often HN recommends it.?
Why HN links it
Memgraph's blog posts on graph algorithms (PageRank, betweenness centrality, community detection), data lineage and benchmarks. Commenters mostly link them or promote the product, without judging the writing.
Summarised by Claude from a sample of 28 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
The in-memory graph database for GraphRAG, AI memory, agentic AI, and real-time analytics such as fraud detection. Cypher-compatible and free to start.
Most-linked posts?
- /3 people · 4 mentions · first linked 2022-02-02
- Interpreting the Callgrind and gperftools profilers results3 people · 4 mentions · first linked 2022-05-12
- Graph Database vs. Relational Database2 people · 5 mentions · first linked 2022-05-14
- Understanding Cosine Similarity in Python with Scikit-Learn2 people · 3 mentions · first linked 2023-06-07
- /benchgraph2 people · 2 mentions · first linked 2022-12-01
- Learn the Cypher query language in 10 days2 people · 2 mentions · first linked 2021-06-04
- Synchronize Data Between Memgraph Graph Database and Elasticsearch2 people · 2 mentions · first linked 2023-02-06
- Perform What-If Analysis of Your Network Without Compromising Data Integrity2 people · 2 mentions · first linked 2023-01-13
- /blog/neo4j-vs-memgraph2 people · 2 mentions · first linked 2022-03-19
- Real-time visualization with React and D3.js2 people · 2 mentions · first linked 2022-08-16
What Hacker News says?
I organize community calls for Memgraph community and recently a community member presented how he uses hypothetical answer generation as a crucial component to enhancing the effectiveness and reliability of the system, allowing for more accurate and contextually appropriate responses to user queries. Here's more about it: https://memgraph.com/blog/precina-health-memgraph-graphrag-t...
Comment linking /blog/precina-health-memgraph-graphrag-type-2-diabetes-care
on “Show HN: FastGraphRAG – Better RAG using good old PageRank”Submitted How NASA Is Using Graph Technology and LLMs to Build a People Knowledge Graph as a story · 107 points
HN discussionSuggestion: check out Memgraph for graph db storage - https://memgraph.com/ . I work at Memgraph as DX Engineer so feel free to ping me in case you have questions about it: https://memgraph.com/office-hours Your solution looks interesting and I would love to hear more about it. I haven't seen that many PageRank-based graph exploration tools.
Comment linking /office-hours
on “Show HN: FastGraphRAG – Better RAG using good old PageRank”Submitted Show HN: Memgraph – Transactional, in-memory, cypher-compatible graph database as a story · 89 points
HN discussionMemgraph | Staff C++ Database Engineer | REMOTE (Central/Western Europe, LatAm, or North America) https://memgraph.com/ Memgraph is a Seed stage, open source graph database vendor. Graph DBs are a great solution for GenAI, logistics, cybersecurity and fintech so we are looking to grow aggressively this year. We're looking for a staff-level engineer to set technical direction, mentor junior team members, and solve so…
Comment linking /
on “Ask HN: Who is hiring? (March 2024)”Submitted How to build a graph visualization engine as a story · 87 points
HN discussionMemgraph | Product Manager | Full-time | REMOTE Europe | https://memgraph.com Memgraph = streaming + graph theory. Memgraph is the platform for graph computation on streaming data. It’s an end-to-end platform designed to solve complex graph problems in real-time and accelerate graph application development. Recently, we’ve become source available and you can check us out on https://github.com/memgraph . This job is…
Comment linking /
on “Ask HN: Who is hiring? (February 2022)”Submitted Build C++ Graph Analytics Without Worrying About Memory as a story · 63 points
HN discussionDISCLAIMER: The co-founder and CTO of Memgraph here. To add more context, Memgraph Enterprise pricing is explained under https://memgraph.com/pricing : "Starting at $25,000 per year for 16 GB, Memgraph has an all-inclusive, simple pricing model that scales with your workload without restrictions. No charge for compute. No charge for replicas. No charge for algorithms. No Surprises.". In addition, Memgraph Community…
Comment linking /pricing
on “How NASA Is Using Graph Technology and LLMs to Build a People Knowledge Graph”Submitted Building multi-architecture Docker images as a story · 60 points
HN discussionCosmos really looks amazing when it comes to performace. Besides visual rendering on the GPU, they also do the graph layout simulation calculations on the GPU as well, which is a first. SigmaJS for example uses graphology for the calculations, and WebGL for rendering. Cosmos is a really new lib, so when we did our initial research it wasn't even out yet. You can read more about our research over here: https://memgra…
Comment linking /blog/you-want-a-fast-easy-to-use-and-popular-graph-visualization-tool
on “How to build a graph visualization engine”Submitted Show HN: We Built a Documentation Recommendation System Using Graph Database as a story · 59 points
HN discussionYou can also see some of the numbers here https://memgraph.com/blog/gas-pipelines-in-europe or even try to run different scenarios https://playground.memgraph.com/sandbox/europe-gas-pipelines...
Comment linking /blog/gas-pipelines-in-europe
on “Europe gas storage reserves – by country, updated daily”Submitted Overflowing timeout as a story · 52 points
HN discussionHi! I'm one of the authors of the documentation recommendation system we built during the summer internship. We wanted to create an engine that would help users to navigate better through a certain documentation. As our stack we have used the following: 1. The MAGE graph library[1] - for already implemented graph algorithms 2. GQLAlchemy[2] - a Python driver and Object Graph Mapper (OGM) 3. Docker[3] - for building…
Comment linking /lab
on “Show HN: We Built a Documentation Recommendation System Using Graph Database”Submitted Memgraph DB 1.1 as a story · 33 points
HN discussionNo, it's not an RDF store. Memgraph is a support the Label Property Graph model. It's not open source, but you can use the free community version: https://memgraph.com/download
Comment linking /download
on “Memgraph DB 1.1”Submitted Who ranks better? Memgraph vs. NetworkX PageRank as a story · 32 points
HN discussionI like the visualization part of upvotes coming in. I always wondered when do votes actually get in. I've seen a graph approach to finding the most influential users at https://memgraph.com/blog/how-i-found-the-most-influential-u... . Maybe there is something that you could incorporate into your app.
Comment linking /blog/how-i-found-the-most-influential-users-on-hacker-news
on “Show HN: Quality News – Towards a fairer ranking algorithm for Hacker News”Submitted How we implemented replication in Memgraph DB – Our approach and challenges. as a story · 29 points
HN discussionWell done on your work! It's nice to see new tools being developed in graph world, especially in Rust. I would just like to emphasize that there is a big difference between a graph database and graph algorithms library. This is a thing that has to be taken into account. Besides that, real life use cases usually include dynamic data. That's the reason why Memgraph holds a set of dynamic graph algorithms. For example,…
Comment linking /docs/mage/query-modules/cuda/cugraph
on “Who ranks better? Memgraph vs. NetworkX PageRank”Submitted Data persistency, large-scale data analytics, visualizations-NetworkX challenges as a story · 28 points
HN discussionI forgot to mention: we do have biconnected components algorithm [1], and since all biconnected graphs are strongly connected, it can be useful. [1] https://memgraph.com/docs/mage/query-modules/cpp/biconnected...
Comment linking /docs/mage/query-modules/cpp/biconnected-components
on “Who ranks better? Memgraph vs. NetworkX PageRank”Submitted Five Recommendation Algorithms No Recommendation Engine Is Whole Without as a story · 27 points
HN discussionWe do have our own implementation of weakly connected components [1]. Currently, we only have NetworkX strongly connected components algorithm [2] as a part of the nxalg module (set of procedures) in MAGE (our graph algorithms library). I did not compare it yet, let me know if you do! We definitely need to create official benchmarks. Lot of work! [1] https://memgraph.com/docs/mage/query-modules/cpp/weakly-conn... [2…
Comment linking /docs/mage/query-modules/python/nxalg
on “Who ranks better? Memgraph vs. NetworkX PageRank”Submitted How We Designed and Implemented Graph Projection Feature as a story · 22 points
HN discussionYep, that is possible. Actually, one of the community members few days ago did this: https://gigi.nullneuron.net/gigilabs/using-the-neo4j-bolt-dr... You just need to tell driver, it is not Neo4j. If you want to continue using the Neo4j driver. We actually also have GQL Alchemy, which is ORM for Python. Take a look here: https://memgraph.com/gqlalchemy
Comment linking /gqlalchemy
on “Show HN: We have built a benchmark platform for graph databases”Submitted How to upgrade an antiquated Identity and Access Management system? as a story · 21 points
HN discussionLooked into your product and saw this: https://memgraph.com/blog/neo4j-vs-memgraph > There is a broad number of drivers in many different programming languages available for both solutions. While Memgraph only maintains a few in-house drivers that it develops and supports (C, C++, Python, Rust), most Neo4j drivers can also be used with Memgraph. This is due to the fact that both solutions use the Bolt protocol, labe…
Comment linking /blog/neo4j-vs-memgraph
on “Show HN: We have built a benchmark platform for graph databases”Submitted Graph Algorithms Cheat Sheet for Coding Interviews as a story · 19 points
HN discussion
