Search engines play an important role in our daily lives. We use search engines to access a
wide range of information sources: the web, our email, our desktop computers, library …

Identifying meaningful document fragments is a major advantage achieved by encoding
documents in XML. In scholarly articles, such document fragments include sections …

In this paper, we propose a query-oriented fragment search approach for efficient and
effective XML search engines on relational database systems. Conventional approaches for …

Purpose–Being an important data exchange and information storage standard, XML has
generated a great deal of interest and particular attention has been paid to the issue of XML …

We have developed an XML information retrieval system which can process queries by
keywords or queries by combination of keywords and structural conditions. Queries by …

Retrieving specific information becomes an important issue, especially in XML information
retrieval (XML-IR). Indexing XML components (elements) rather than the entire XML …

Conventional ranking methods for document search have considered content of documents
to rank a search result. They have attained some positive results in the research area of …

To best exploit the context information for meaningful hints to the user's intent, this paper
proposes an adaptive weighting approach to improve the current context-sensitive retrieval …

Abstract Extensible Markup Language (XML) is used for not only describing structured
documents but also for describing data just for generating XML from relational data. The …

論文抄録 利用者が文書に対して検索を行う際に, 検索要求が検索結果文書中のどの部分と関連し
ているのかが分かることは有用である. たとえば, 大量の学術論文の中から, ある話題に関連する章 …