In temporal document databases and temporal XML databases, temporal text-containment queries are a potential performance bottleneck. In this paper we describe how to manage documents and index structures in such databases in way that makes temporal text-containment querying feasible. We describe and discuss different index structures that can improve such queries. Three of the alternatives have...

The Standardized Structured Medical Information Exchange (SS-MIX) is intended to be the standard repository for HL7 messages that depend on a local file system. However, its scalability is limited. We implemented a virtual file system using NoSQL to incorporate modern computing technology into SS-MIX and allow the system to integrate local patient IDs from different healthcare systems into a un...

NoSQL technologies such as HBase, Cassandra, MongoDB are becoming popular due to their ability to scale and handle large volumes of data as opposed to a traditional Relational Database Management System (RDBMS). However they lack two major functionalities provided by traditional RDBMS namely “transactional support” and “SQL interface”. Transactions are designed to maintain database integrity in...

Efficient document management is extremely important as a tremendous volume of documents are produced and accessed by modern information systems. A document management system is described in this paper. The system stores SGML documents in an ObjectStore object-oriented database and is capable of storing, within one database, different types of documents by accommodating multiple DTDs. We create...

Businesses today use modern computing technologies such as Big Data and Machine Learning in their daily operations, which require effective management of large amounts data. Relational data formats are no longer suitable for these applications, NoSQL preferred. The cloud infrastructure offers advantages scalability, availability, resource maintenance, but security remains a challenge. Although ...

INTRODUCTION Ever since the Extensible Markup Language (XML) (W3C, 1998b) began to be used to exchange data between diverse sources, interest has grown in deploying data management technology to store and query XML documents. A number of approaches propose to adapt relational database technology to store The advantage is that the XML repository inherits all the power of mature relational techno...

In this paper we investigate possibility of using phrases of flexible length in genre classification of textual documents as an extension to classic bag of words document representation where documents are represented using single words as features. The investigation is conducted on collection of articles from document database collected from three different sources representing different genre...

Within the Big Data trend, there is an increasing interest in Not-only-SQL systems (NoSQL). These systems are promising candidates for implementing data warehouses particularly due to the data structuration/storage possibilities they offer. In this paper, we investigate data warehouse instantiation using a document-oriented system (a special class of NoSQL systems). On the one hand, we analyze ...

Korea was legally set to car recycling rate to 95% from 2015. Also EU has enacted the law for car recycling. Accordingly, the monitoring system that stores and manages the data generated by the End of Life Vehicle (ELV) are needed. The parts information of the ELV is quite a lot, the information contained sub-components are very many. When building a monitoring system database on an RDBMS, ther...