noun
strategic information system; SIS
Business term for an information system that supports strategic decision-making and competitive advantage.
当社は戦略情報システムを導入して競争力を高めた。
Our company introduced a strategic information system and strengthened its competitiveness.
Compound of 戦略 (strategy) + 情報 (information) + システム (system). A modern technical term with no historical derivation.