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@pbloem@sigmoid.social
2025-07-18 09:25:22

Now out in #TMLR:
🍇 GRAPES: Learning to Sample Graphs for Scalable Graph Neural Networks 🍇
There's lots of work on sampling subgraphs for GNNs, but relatively little on making this sampling process _adaptive_. That is, learning to select the data from the graph that is relevant for your task.
We introduce an RL-based and a GFLowNet-based sampler and show that the approach perf…

A diagram of the GRAPES pipeline. It shows a subgraph being sampled in two steps and being fed to a GNN, with a blue line showing the learning signal. The caption reads Figure 1: Overview of GRAPES. First, GRAPES processes a target node (green) by computing node inclusion probabilities on its 1-hop neighbors (shown by node color shade) with a sampling GNN. Given these probabilities, GRAPES samples k nodes. Then, GRAPES repeats this process over nodes in the 2-hop neighborhood. We pass the sampl…
A results table for node classification on heterophilious graphs. Table 2: F1-scores (%) for different sampling methods trained on heterophilous graphs for a batch size of 256, and a sample size of 256 per layer. We report the mean and standard deviation over 10 runs. The best values among the sampling baselines (all except GAS) are in bold, and the second best are underlined. MC stands for multi-class and ML stands for multi-label classification. OOM indicates out of memory.
Performance of samples vs sampling size showing that GRAPES generally performs well across sample sizes, while other samplers often show more variance across sample sizes. The caption reads Figure 4: Comparative analysis of classification accuracy across different sampling sizes for sampling baseline and GRAPES. We repeated each experiment five times: The shaded regions show the 95% confidence intervals.
A diagrammatic illustration of a graph classification task used in one of the theorems. The caption reads Figure 9: An example of a graph for Theorem 1 with eight nodes. Red edges belong to E1, features xi and labels yi are shown beside every node. For nodes v1 and v2 we show the edge e12 as an example. As shown, the label of each node is the second feature of its neighbor, where a red edge connects them. The edge homophily ratio is h=12/28 = 0.43.
@nohillside@smnn.ch
2025-05-19 05:13:05

“So steht es um die Velovorzugsrouten in #Zürich”
Simply said: Schlecht, sehr schlecht.
tsri.ch/a/verzoegert-blockiert

Verzögert, blockiert, umkämpft: So steht es um die Velovorzugsrouten
Fünf Jahre ist es inzwischen her, dass die Stadtzürcher Stimmbevölkerung mit über 70 Prozent für die Velovorzugsrouten gestimmt hat. Viel wurde seither über deren Ausbau debattiert und diskutiert. Doch wo werden sie umgesetzt? Ein Überblick.

@MartinM@norden.social
2025-06-20 09:06:21

Nicht allein anreisen, queere Symbole verstecken - es ist erschreckend, dass solche Ratschläge nötig sind.
rbb24.de/politik/beitrag/2025/

Wie gefährdet sind die nächsten CSDs in Berlin und Brandenburg?
Am Wochenende wird auf der Marzahn Pride, dem CSD in Eberswalde und der Fahrrad-Pride in Potsdam für die Rechte queerer Menschen demonstriert. Teils gibt es rechte Gegenveranstaltungen. Wie sicher sind Teilnehmende? Von Klaas-Wilhelm Brandenburg

@leftsidestory@mstdn.social
2025-06-16 00:30:00

Urban Composition V 🫟
都市构图 V 🫟
📷 Nikon FE
🎞️Ilford FP4 Plus, expired 1995
buy me ☕️ ?/请我喝杯☕️？
#filmphotography

Ilford FP4 E.I. 64 English alt text: A black and white image of a parked scooter next to a bench. On the bench, there is a person lying down, wearing a helmet. The scene is shaded by trees, and there is a stone wall in the background. Chinese alt text: 一张黑白照片，显示一辆停在长椅旁边的踏板车。长椅上躺着一个戴着头盔的人。场景被树木遮蔽，背景有一堵石墙。
Ilford FP4 E.I. 64 English alt text: A busy urban street where construction workers are engaged in roadwork. They are wearing helmets and safety gear while handling tools and materials like bricks and shovels. Vehicles, including cars, motorcycles, and buses, are visible on the road, with an elevated pedestrian walkway and trees in the background. Chinese alt text: 繁忙的城市街道上，建筑工人正在进行道路施工。他们戴着头盔和安全装备，使用工具和材料，如砖块和铲子。道路上有汽车、摩托车和公交车，背景中可以看到高架人行道和街道两旁的树木。
Ilford FP4 E.I. 64 English alt text: A black and white image of a busy highway seen through a diamond-patterned wire fence. The focus is on the fence, making the traffic congestion in the background appear blurred. Multiple cars occupy different lanes, emphasizing the density of urban travel. Chinese alt text: 一张黑白照片，显示透过菱形铁丝网的繁忙高速公路。焦点集中在铁丝网上，使背景中的拥堵交通显得模糊。多辆汽车占据不同车道，突出城市交通的密集程度。
Ilford FP4 E.I. 64 English alt text: A black and white photograph of a bouquet of flowers, mainly sunflowers, placed near a window. The soft natural light illuminates the petals, creating a striking contrast between the dark interior and the bright exterior. Chinese alt text: 一张黑白照片，展示了一束主要由向日葵组成的花束，放置在窗户附近。柔和的自然光照亮了花瓣，营造出室内阴暗与室外明亮之间的鲜明对比。

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@datascience@genomic.social
2025-05-17 10:00:01

Add some swag to your ggplots, with fontawesome symbols and colors: #rstats

Adding social media icons to charts with {ggplot2} | Nicola Rennie
Adding social media icons to your data visualisation is a great, concise way to put your name on your work, and make it easy for people to find your profile from your work. This blog post explains how to add social media icons to {ggplot2} charts.

@patrick_townsend@infosec.exchange
2025-07-18 17:58:31

Protect your privacy – Start now with Signal
 
Autocracies always implement broad surveillance methods in order to identify and punish resistance. Surveillance can take many forms including the capture of your social media posts and email, monitoring your connections to web sites, and preventing the use of private communications through encryption back-doors and other means.
 
Take action now to create ways to communicate privately with your family, friends and colleague…

My Personal Privacy – Simple Online Privacy Tools
My Personal Privacy offers easy guides and tools to help non-technical users protect their personal data and stay secure online.

@migueldeicaza@mastodon.social
2025-06-15 21:05:11

I have been looking for a screenshot of these icons I drew for gnome as placeholders, but they also encouraged Tuomas Kuosmanen to jump in and fix it, and finally found a copy online!
The “sl” stood for “symbolic link” and “sock” for socket - I used these hand drawn icons for each mime type:
linuxgazette.net/165/l…

@leftsidestory@mstdn.social
2025-05-16 00:30:08

Alley Stories 🔣
巷弄故事 🔣
📷 Nikon FE
🎞️Ilford FP4 Plus, expired 1994
buy me ☕️ ?/请我喝杯☕️？
#filmphotography

**English:** A black-and-white photograph showcasing traditional Chinese architecture with intricately designed, upturned eaves. The foreground features a blurred branch with leaves, adding depth to the image. The buildings have a classic, historical appearance, indicative of ancient Chinese design. **Chinese:** 一张展示传统中国建筑的黑白照片，建筑物具有精心设计的翘起屋檐。前景是一根带有叶子的模糊树枝，为图片增添了深度。这些建筑具有经典的历史外观，体现了古代中国的设计风格。
**English:** A black-and-white photograph of a narrow alleyway with a bicycle parked against the wall. The alley is flanked by brick buildings, and there is a sense of depth created by the perspective. The scene evokes a sense of quiet and simplicity, typical of traditional residential areas. **Chinese:** 一张狭窄小巷的黑白照片，一辆自行车靠墙停放。小巷两侧是砖房，透视感营造出一种深度。场景传递出一种宁静和简单的感觉，典型的传统住宅区特色。
**English:** A black-and-white photograph of a narrow alleyway between traditional brick buildings. The roof tiles are visible, and there is a sign with the number "28" on the wall. The alley appears to be part of an old residential area, with a rustic and somewhat worn appearance. **Chinese:** 一张传统砖房之间狭窄小巷的黑白照片。可以看到屋顶的瓦片，墙上有一个写有“28”的标志。这条小巷看起来是老住宅区的一部分，带有乡村风味和略显破旧的外观。

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Folgen Sie dem Link PayPal.Me/dingsterdingster und geben Sie den Betrag ein. Es ist bequem und sicher. Sie haben noch kein PayPal-Konto? Kein Problem.

@leftsidestory@mstdn.social
2025-05-16 00:30:08

Alley Stories 🔣
巷弄故事 🔣
📷 Nikon FE
🎞️Ilford FP4 Plus, expired 1994
buy me ☕️ ?/请我喝杯☕️？
#filmphotography

**English:** A black-and-white photograph showcasing traditional Chinese architecture with intricately designed, upturned eaves. The foreground features a blurred branch with leaves, adding depth to the image. The buildings have a classic, historical appearance, indicative of ancient Chinese design. **Chinese:** 一张展示传统中国建筑的黑白照片，建筑物具有精心设计的翘起屋檐。前景是一根带有叶子的模糊树枝，为图片增添了深度。这些建筑具有经典的历史外观，体现了古代中国的设计风格。
**English:** A black-and-white photograph of a narrow alleyway with a bicycle parked against the wall. The alley is flanked by brick buildings, and there is a sense of depth created by the perspective. The scene evokes a sense of quiet and simplicity, typical of traditional residential areas. **Chinese:** 一张狭窄小巷的黑白照片，一辆自行车靠墙停放。小巷两侧是砖房，透视感营造出一种深度。场景传递出一种宁静和简单的感觉，典型的传统住宅区特色。
**English:** A black-and-white photograph of a narrow alleyway between traditional brick buildings. The roof tiles are visible, and there is a sign with the number "28" on the wall. The alley appears to be part of an old residential area, with a rustic and somewhat worn appearance. **Chinese:** 一张传统砖房之间狭窄小巷的黑白照片。可以看到屋顶的瓦片，墙上有一个写有“28”的标志。这条小巷看起来是老住宅区的一部分，带有乡村风味和略显破旧的外观。

Yiding Cao Geld mit PayPal.Me senden
Folgen Sie dem Link PayPal.Me/dingsterdingster und geben Sie den Betrag ein. Es ist bequem und sicher. Sie haben noch kein PayPal-Konto? Kein Problem.