96 articles
Topic Maps
Topic Maps is an ISO standard (ISO/IEC 13250), first published in 2000, that encodes knowledge as topics, associations, and occurrences, overlaid on collections of documents like an index.
TPC-H
TPC-H is the TPC's decision support benchmark: 22 ad-hoc SQL-92 queries plus 2 refresh functions over an 8-table schema, scored as QphH@Size; current version 3.0.1, successor to TPC-D and predecessor to TPC-DS.
Transaction processing system
A transaction processing system, also called a transaction server, records commercial exchanges such as banking, reservations, and order entry as reliable database transactions with ACID guarantees.
Two-phase commit protocol
The two-phase commit protocol (2PC) is an atomic commitment protocol for distributed transactions in which a coordinator asks all participants to prepare and commits only if every one agrees.
Vectorized query execution
Vectorized query execution, also called vectorized or batch-at-a-time execution, processes columnar batches of about 1,000 to 4,096 values per operator call instead of one tuple, amortizing Volcano interpretation overhead; introduced in MonetDB/X100 (CIDR 2005), it underlies ClickHouse, DuckDB, and VectorWise.
Web Ontology Language
The Web Ontology Language (OWL) is a W3C-standardized Semantic Web language for representing rich knowledge in a form computer programs can reason over, first published in 2004.