Kostas Xirogiannopoulos (@kxirog) header
Kostas Xirogiannopoulos (@kxirog) profile picture

Kostas Xirogiannopoulos

@kxirog

Research Scientist @ Meta. Databases and Data Management

 Menlo Park, CA
cs.umd.edu/~kostasx
Joined January 2010
  • Tweets6.1K
  • Following346
  • Followers156
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Photo by Kostas Xirogiannopoulos (@kxirog)Photo by Kostas Xirogiannopoulos (@kxirog)Photo by Kostas Xirogiannopoulos (@kxirog)Photo by Kostas Xirogiannopoulos (@kxirog)
Kostas Xirogiannopoulos retweeted
Rotational Labs (@rotationalio) profile picture
Rotational Labs@rotationalio28 Jun 2023
🔍Seeking a fresh approach to #MLOps ? Join @RebeccaBilbro & @bbengfort for MLOps101: A Fresh Approach to Managing Models with Event Streams 🌊📊. Explore the power of event streams for #data storage, reproducibility & reliability. Register now! #LevelUp us06web.zoom.us/webinar/regi…
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The proceedings of the GRADES-NDA workshop at @SIGMODConf are available on the @ACMDL now: doi.org/10.1145/3594778

Proceedings of the 6th Joint Workshop on Graph Data Management Experiences & Systems (GRADES) and...

dl.acm.org
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Kostas Xirogiannopoulos retweeted
Peter Boncz (@peterabcz) profile picture
Peter Boncz@peterabcz25 May 2023
Replying to @cwi_da
@cwi_da is working on graph support in @duckdb with the new Property Graph Query (PGQ) syntax in SQL:2023. In my keynote for AMW2023.org there is a concise description of this project and of the new SQL/PGQ language (slides with speaker notes): bit.ly/duckpgq-amw2023
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I forgot to mention that we discussed in class how this tweet is yet another example of someone foretelling the inevitable death of SQL and the relational model. My man should ask the CODASYL, ER, semantic, OO, XML, and NoSQL DB proponents how their same predictions worked out...
Andy gets rambunctious about somebody talking about how it's going to be different this time.

ALT Andy gets rambunctious about somebody talking about how it's going to be different this time.

Jo Kristian Bergum (@jobergum) profile pictureJo Kristian Bergum
@jobergum27 Apr 2023
Tensor and vector databases will replace most legacy databases in this decade. A disruption fueled by natural language interfaces and deep neural representations. In other words: Natural query languages (NQL) replace the lstructured query language (SQL).
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Kostas Xirogiannopoulos retweeted
Matei Zaharia (@matei_zaharia) profile picture
Matei Zaharia
@matei_zaharia4 May 2023
Data query languages as shoes, a 🧵. SQL: comfortable, highly supported, a bit bulky. colehaan.com/mens-generation…
Image from Matei Zaharia (@matei_zaharia)
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Kostas Xirogiannopoulos retweeted
gaut (@0xgaut) profile picture
gaut
@0xgaut3 Apr 2023
the last standing Twitter engineer when Elon asks him to change the icon to a Doge
Image from gaut (@0xgaut)
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Kostas Xirogiannopoulos retweeted
AI at Meta (@AIatMeta) profile picture
AI at Meta
@AIatMeta5 Apr 2023
Today we're releasing the Segment Anything Model (SAM) — a step toward the first foundation model for image segmentation. SAM is capable of one-click segmentation of any object from any photo or video + zero-shot transfer to other segmentation tasks ➡️ bit.ly/433YuBI
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Check out our new paper on the current state of our presto deployment at Meta -- apart from scalability and latency, we also talk about how we enable ML feature engineering, as well as graph querying on top of presto!
Presto (@prestodb) profile picturePresto@prestodb31 Mar 2023
In this paper, we discuss several successful evolutions that have improved @prestodb latency as well as scalability in production at @Meta (ACM Special Interest Group on Management of Data) research.facebook.com/public…
Presto: A Decade of SQL Analytics at Meta - Meta Research

Presto: A Decade of SQL Analytics at Meta - Meta Research

Presto is an open-source distributed SQL query engine that supports analytics workloads involving multiple exabyte-scale data sources. Presto is used for low-latency interactive...

research.facebook.com
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🔥🔥🔥 Excited to share that the first keynote speaker of #SIGMOD2023 will be Don Chamberlin (co-inventor of #SQL). In his keynote on "49 years of Queries", Don will be sharing stories from the early days of relational #DBMS technology. Register now! cvent.me/KXy4Qr
Donald Chamberlin

ALT Donald Chamberlin

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Kostas Xirogiannopoulos retweeted
Brad Stulberg (@BStulberg) profile picture
Brad Stulberg
@BStulberg3 Mar 2023
Let's address three topics that are trending in the so-called health, wellness, and performance space: 1) Cold plunges 2) Eliminating coffee 3) Cutting out alcohol As always, no hype or motivated reasoning. Just the facts. Buckle up:
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Kostas Xirogiannopoulos retweeted
ceej (@dickerdness) profile picture
ceej@dickerdness3 Apr 2020
Tiny shedding gecko looks like he’s wearing a tiny gecko costume
Image from ceej (@dickerdness)
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Kostas Xirogiannopoulos retweeted
Marques Brownlee (@MKBHD) profile picture
Marques Brownlee
@MKBHD5 Nov 2019
Alright, it's true. I have an extra pair of these AirPods Pro to give away. Just RT and you're in. Will pick a winner in 24 hours. Good luck!
Image from Marques Brownlee (@MKBHD)
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These slides by @definekuujo on getting started with @ApacheCalcite are super useful (especially the last 10 slides that show how you put everything together). slideshare.net/JordanHalterm…
Introduction to Apache Calcite

Introduction to Apache Calcite

Apache Calcite is a Java-based framework for building SQL databases that includes a SQL parser, validator, optimizer, and execution engine. It has been utilized in various projects such as Apache...

slideshare.net
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Kostas Xirogiannopoulos retweeted
John P Dickerson (@johnpdickerson) profile picture
John P Dickerson
@johnpdickerson20 Sep 2019
This morning: 1) On the sidewalk, hit from behind by a (rented) Bird scooter driven by somebody texting. 2) The very next block, watched a (rented) Revel electric scooter pull an illegal u-turn and run into a parked car, fall over. This is not the dystopian future I expected.
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Kostas Xirogiannopoulos retweeted
Daniel Abadi (@daniel_abadi) profile picture
Daniel Abadi@daniel_abadi28 Jun 2019
New post on my blog when I discuss correctness/time-travel anomalies in serializable database systems. dbmsmusings.blogspot.com/201…
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Kostas Xirogiannopoulos retweeted
scikit-yb (@scikit_yb) profile picture
scikit-yb@scikit_yb11 Jan 2019
Replying to @PyDataMiami
@PyDataMiami @NumFOCUS @DistrictDataLab come see Dr. Rebecca Bilbro’s @RebeccaBilbro talk on #Yellowbrick and #textanalytics pydata.org/miami2019/schedul… tomorrow at 2:15p.m. in the main room. See you there #hottopic 🔥
Image from scikit-yb (@scikit_yb)
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Kostas Xirogiannopoulos retweeted
RebeccaBilbro (@RebeccaBilbro) profile picture
RebeccaBilbro@RebeccaBilbro10 Jan 2019
Hello Miami! Come see @bbengfort of @pingthingsIO speak about visual diagnostics for machine learning at #PyDataMiami2019! #numfocus @scikit_yb
Image from RebeccaBilbro (@RebeccaBilbro)
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Here's a really helpful guide to writing and reading data in @ApacheArrow format written by Animesh Trivedi. github.com/animeshtrivedi/bl…
Kostas Xirogiannopoulos retweeted
Marques Brownlee (@MKBHD) profile picture
Marques Brownlee
@MKBHD10 Nov 2018
Wow. YouTube’s outage last week drove a 20% increase in traffic to the rest of the internet 😳 blog.chartbeat.com/2018/10/2…
Image from Marques Brownlee (@MKBHD)
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