Abstract: The objective of this paper is to derive a tight and efficient lower bound for the minimum sum coloring problem. This NP-hard problem is a variant of the classical graph coloring problem ...

President Trump is not a man to back down, but sometimes he should make adjustments. The violence in Minneapolis and the threatened takeover of Greenland are in that zone. So here’s what’s really ...

Dear Liz: Because of the Social Security Fairness Act, my wife got a huge lump sum check (catchup, I suppose) and will now get monthly Social Security benefits. This is good news and bad news, ...

Abstract: The column Hamming distance of a convolutional code determines the error correction capability when streaming over a class of packet erasure channels. We ...

A new SQL Server 2025 feature lets organizations run vector-based semantic searches on their own data, connecting to local or cloud-hosted AI models without relying on massive general-purpose LLMs. I ...

Waii’s core technology for translating natural language questions into complex, production-ready SQL queries to be integrated into Data Cloud. Salesforce has signed a definitive agreement to acquire ...

It is a fool’s errand to try to rationalize President Trump’s obsession with tariffs. This is not to say that people haven’t tried. There are any number of theories that seek to explain Trump’s ...

Excel is a powerhouse at transforming and manipulating data, thanks to a wide variety of Excel formulas and in-app tools. Add Power Query to this already powerful mix, and you get an even more ...

This is the official repository for the paper Synthetic SQL Column Descriptions and Their Impact on Text-to-SQL Performance Relational databases often have ambiguous columns and hard-to-interpret ...

We decided to allow the sum operation for the future string dtype (PR in #59853, based on discussion in #59328). But I ran into a strange case in groupby where the end result contains "0" in case of ...