Modern search engines answer keyword-based queries extremely efficiently. The
impressive speed is due to clever inverted index structures, caching, a domain-independent …

In this paper, we discuss mining with respect to web data referred here as web data mining.
In particular, our focus is on web data mining research in context of our web warehousing …

Database Management Systems Page 1 Database Management Systems 7 ^ Raghu
Ramakrishnan Page 2 DATABASE MANAGEMENT SYSTEMS Raghu Ramakrishnan …

In F7Times-ItalicF7S38semistructured databases there is no schema fixed in advance. To
provide the benefits of a schema in such environments, we introduce DataGuides: concise …

In semistructured data, the information that is normally associated with a schema is
contained within the data, which is sometimes called “self-describing”. In some forms of …

Various embodiments virtualize data across heterogeneous formats. In one embodiment, a
plurality of heterogeneous data sources is received as input. A local schema graph including …

Lorel language, designed for querying semistructured data. Semistructured data is
becoming more and more prevalent, eg, in structured documents such as HTML and when …

In recent years there has been an increased interest in managing data that does not conform
to traditional data models, like the relational or object oriented model. The reasons for this …

XML filtering systems aim to provide fast, on-the-fly matching of XML-encoded data to large
numbers of query specifications containing constraints on both structure and content. It is …

XML and other semi-structured data may have partially specified or missing schema
information, motivating the use of a structural summary which can be automatically …