Advanced Materials Research Vols. 989-994

Abstract: With the rapid development of the national economy, the construction of China’s urban transportation is in the stage of rapid development. Both big cities and small-medium cities increasingly appear all kinds of issues such as traffic congestion. Priority to the development of public transport is the most effective way to solve the problem of urban traffic congestion, and urban bus transit network design is the first step in the planning of the public transport system, plays a vital role in the transportation system planning. Bus transit network generally consisted of rail transit, bus rapid transit and conventional bus in big cities, while it composed of conventional bus in small-medium cities. Therefore, this paper made research on the applicability of bus transit network design methods for different sized cities, analyzed the advantages and disadvantages of different methods, and explored a more excellent method for bus transit network design.

Abstract: In order to improve the efficiency of agricultural information retrieval and provide the effect methods for the information retrieval of agricultural, the intelligent searching technology of agricultural information based on ontology is proposed. The paper firstly introduces the concept of ontology, analyzes the characters of agricultural knowledge, and constructs the related agricultural knowledge ontology and knowledge base, implementing the intelligent searching of the agricultural information. The results indicate that the research on agricultural ontology can contribute to organization and searching of agricultural scientific knowledge and provide methods for information organization and searching of agricultural knowledge.

Abstract: Using the price data of bonds’ transactions during June 2013, the discounting function is fitted by non-uniform cubic B-Splines and yield curves are modeled. Models’ single parametric test and total test are both significant. Furthermore, the structural change’s test shows that there is no significant structural change between adjacent transaction days, which means that the bonds’ market is relatively steady during June 2013.