Tootfinder

eu_procurements: EU procurement contract networks (2008-2016)
A bipartite network of public EU procurement contracts, from 2008 to 2016, between issuing buyers (public institutions such as a ministry or city hall) and supplying winners (a private firm). Contracts are aggregated into annual snapshots, edges are annotated with contract value information. Nodes are annotated with location information, including country of origin.
This network has 839824 nodes and 4098711 edges.

Designing DSIC Mechanisms for Data Sharing in the Era of Large Language Models
Seyed Moein Ayyoubzadeh, Kourosh Shahnazari, Mohammmadali Keshtparvar, MohammadAmin Fazli
https://arxiv.org/abs/2506.05379

Designing DSIC Mechanisms for Data Sharing in the Era of Large Language Models
Training large language models (LLMs) requires vast amounts of high-quality data from institutions that face legal, privacy, and strategic constraints. Existing data procurement methods often rely on unverifiable trust or ignore heterogeneous provider costs. We introduce a mechanism-design framework for truthful, trust-minimized data sharing that ensures dominant-strategy incentive compatibility (DSIC), individual rationality, and weak budget balance, while rewarding data based on both quality …

eu_procurements_alt: EU national procurement networks (2008-2016)
These 234 networks represent the annual national public procurement markets of 26 European countries from 2008-2016, inclusive. Data is sourced from Tenders Electronic Daily (TED), the official procurement portal of the European Union.
This network has 1770 nodes and 3997 edges.
Tags: Economic, Commerce, Weighted, Temporal

Drowning in infosec news overload? Check out today's Metacurity for a concise rundown of the most critical developments you should know, including
--UK military will ramp up offensive cyber attacks against Russia and China
--Victoria's Secret hit by cyberattack,
--LexisNexis Risk Solutions breach affects 364K,
--Procurement database exposed Russian nuclear bases to attack,
--US gov't to mix DNA data of migrant children and sex offenders,
--ASUS …

UK military will ramp up offensive cyber attacks against Russia and China
Victoria's Secret hit by cyberattack, LexisNexis risk arm breach affects 364K, Procurement database exposed Russian nuclear bases to attack, US gov't to mix DNA data of migrant children and sex offenders, ASUS routers ensnared by novel botnet, APT41 exploited Google Calendar, much more

Oh no!
Anyway...
https://mstdn.social/@noelreports/114585618957532972

NOELREPORTS 🇪🇺 🇺🇦 (@noelreports@mstdn.social)
Attached: 1 image 🚨 Massive security breach: Russian nuclear weapons infrastructure exposed online Danwatch & Der Spiegel uncovered blueprints, layouts, and internal systems of Russia’s most sensitive nuclear missile sites—including Avangard-equipped silos—via leaked procurement docs.

This https://arxiv.org/abs/2307.07385 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csGT_…

Partial Allocations in Budget-Feasible Mechanism Design: Bridging Multiple Levels of Service and Divisible Agents
Budget-feasible procurement has been a major paradigm in mechanism design since its introduction by Singer (2010). An auctioneer (buyer) with a strict budget constraint is interested in buying goods or services from a group of strategic agents (sellers). In many scenarios it makes sense to allow the auctioneer to only partially buy what an agent offers, e.g., an agent might have multiple copies of an item to sell, they might offer multiple levels of a service, or they may be available to perfor…