Image representation schemes designed for image retrieval systems are categorized into two classes: Keyword (text) features and Visual features. The query scenario in image retrieval system based on keyword features (Chang and Hsu 1992 ; Shen et al 2000) is Query by Keyword (QBK). Semantics of images can be accurately represented by keywords, as long as keyword annotations are accurate and comp...

There have been many domain-specific keyword extraction researches, but micro-blogoriented keyword extraction is just beginning. This paper researches into the keyword extraction from Chinese micro-blog. Taking the characteristics of micro-blog into account, such as short, topic divergence, etc., we propose a Chinese micro-blog keyword extraction method based on the combination of multi feature...


 Abstract
 An innovative method of accessing connected data sources on the internet is keyword search. We propose to route keywords only relevant in order reduce substantial processing cost search queries throughout all providers. a novel for computing top-k routing plans by considering their propensity contain responses specific query. use summary links between components referencin...

In this study, based on a morpheme segmentation framework, we researched text keyword extraction method for Uyghur, Kazakh and Kirghiz languages, which have similar grammatical lexical structures. these affixes stem are joined together to form word. A is word particle with notional meaning, while the perform functions. Because of derivative properties, vocabularies used languages huge. Therefor...

In this paper, we study how to support group-by and aggregate functions in XML keyword search. It goes beyond the simple keyword query, and raises several challenges including: (1) how to address the keyword ambiguity problem when interpreting a keyword query; (2) how to identify duplicated objects and relationships in order to guarantee the correctness of the results of aggregation functions; ...

Recently, a great deal of attention has been focusing on processing keyword search over XML and XML streams. The keyword search is simple and provides a user-friendly way of retrieving required data from an XML data. Though its popularity, there is a concern over its efficiency. For this reason, several methods have been proposed to enable keyword search over XML streams. However, most of them ...