Owl ' s semantics is limited to description logic , which cannot capture semantics of arbitrary rules . therefore , owlrule + is designed . its syntax extends owl and its semantics is based on carin , a representation language combining description logic and horn rules 针对语义web层次结构中webontology语言owl在一般规则表达能力方面的不足，在其基础上设计了一种语义web规则标记语言? ? owlrule + ，作为语义web的逻辑规则层。
3.
At about 7 . 55 am , a light goods vehicle ( lgv ) was travelling along the new territories bound carriageway of tate s carin highway . upon reaching near shek mun , the vehicle reportedly slowed down to give way to a medium goods vehicle ( mgv ) travelling along another lane when the latter intended to change lane . another lgv following the first lgv allegedly did not stop in time and collided with the first lgv which subsequently rammed the mgv 当日早上约七时五十五分，一辆轻型货车沿著大老山公路往新界方向行驶，驶至石门附近时，据报因有一辆中型货车从另一条行车线切入，故减慢速度，尾随的另外一部轻型货车收掣不及，于是撞向它。
4.
Police received a report at 3 . 20 pm from a staff of the tate s carin highway that a plastic bag was found placed inside the bush next to the ventilation bump room and odd smell were emitting from the bag . upon arrival , police found that a human head bone and a two feet long skeleton was placed inside the plastic bag 警方于下午约三时二十分接获一名大老山隧道职员报告，指于抽气泵房旁草丛发现一个传出恶臭的胶袋。警方到场后，于该袋内发现一个头骨及一件约六十厘米长骇骨。
