狂热语言 发表于 2025-3-25 04:25:19

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Retrieval 发表于 2025-3-25 10:16:11

Graph-Based Keyword Search,Wide Web also can be modeled as a graph, and there also exists general graphs with textual information stored on the nodes. In the previous chapter, we discussed keyword search on a relational database (.) using the underlying relational schema that specifies how tuples are connected to each other.

轻率的你 发表于 2025-3-25 14:07:31

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FLAGR 发表于 2025-3-25 18:24:46

Other Topics for Keyword Search on Databases, are proposed to select some . among many to answer a keyword query. In Section 5.2, we discuss keyword search in a spatial database. In Section 5.3, we introduce a Page Rank based approach called . in ., and an approach that projects a database that only contains tuples relating to a keyword query.

表示向下 发表于 2025-3-25 20:46:32

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BRAVE 发表于 2025-3-26 01:49:52

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invulnerable 发表于 2025-3-26 06:44:25

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地壳 发表于 2025-3-26 08:47:59

Jeffrey Xu Yu,Lu Qin,Lijun Changafety. In these networks, the Medium Access Control (MAC) plays an important role in providing an efficient communication channel. Currently, there are two protocols for ITS, proposed in the USA (IEEE WAVE) and in Europe (ETSI ITS-G5). Both cases use the PHY and MAC of IEEE 802.11p, the latter being

纵欲 发表于 2025-3-26 14:29:09

Jeffrey Xu Yu,Lu Qin,Lijun Change the information gathered from phenomena of interest. IoT is a broad term and has attain popularity with the integration of Cloud Computing and Big Data. The partnership among these technologies is revolutionizing the world in which we live and interact with different devices. On the down side, the

adhesive 发表于 2025-3-26 20:31:22

Jeffrey Xu Yu,Lu Qin,Lijun Changless communication in the US and Europe use a single shared channel for the periodic broadcast of safety messages. Coupled with the short contention window and inflexibility in window size adaptation, the synchronous collisions of periodic messages are inevitable in a large scale intelligent transpo
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查看完整版本: Titlebook: Keyword Search in Databases; Jeffrey Xu Yu,Lu Qin,Lijun Chang Book 2010 Springer Nature Switzerland AG 2010