This book constitutes the refereed proceedings of the 11th East European Conference on Advances in Databases and Information Systems, ADBIS 2007, held in Varna, Bulgaria, in September/October 2007. The 23 revised papers presented together with three invited lectures were carefully reviewed and selected from 77 submissions. The papers address current research on database theory, development of advanced DBMS technologies, and their advanced applications.
This book constitutes the refereed proceedings of the 11th East European Conference on Advances in Databases and Information Systems, ADBIS 2007, held in Varna, Bulgaria, in September/October 2007. The 23 revised papers presented together with three invited lectures were carefully reviewed and selected from 77 submissions. The papers address current research on database theory, development of advanced DBMS technologies, and their advanced applications.
In The Killer Knows Why, pulp fiction author Yannis Mitsopoulos draws readers in with ease by throwing open the doors to his home of Greece, letting them experience the romance of the settings tucked in the mountains and coasts, along with the secrets that entice them to read each of his seven spellbinding stories with complete abandon. Mitsopoulos weaves the stories in and out of everyday lives, traditions, and beliefs as he allows his readers to become voyeurs into the minds of those that kill for a reason. The first story tells the tale of a woman whose life has been one of missed opportunities, only to regain a life for herself through the secret found in her fathers journal. In the second story, a little boys love for a race car carries him to a tragic end. The Killer Knows Why tells five more tales: Greek tragedies intertwine old curses through modern lives only to end, well, tragically as a family spins their tale for everyone to see. An artist finds that Death can be an inspiring muse. A young ex-soldier finds that fatherhood can push him to fight even the devils of the deep to bring his daughter back. A man that tries to not let others poison his life, his thoughts ends his life while attempting to poison the one that poisoned him. And, a mother that knows what is best for her daughter ensures with a little help that both their lives are secure. Seven stories wrap around the reader like a bright, beautiful day only to find that even beautiful days have their moments of cold. Yannis Mitsopoulos draws his inspiration from real life events, situations, and places, lending to the ambience with which he weaves into his fiction. Mitsopoulos invites readers to experience a taste of Greece, so do not hesitate! Grab your favorite sweater then let yourself experience the warmth and chill of The Killer Knows Why. Review written by Jason Rutherford
This book constitutes the thoroughly refereed post-proceedings of the 8th Panhellenic Conference on Informatics, PCI 2001, held in Nicosia, Cyprus in November 2001. The 31 revised full papers presented were carefully selected and improved during two months of reviewing from 104 conference papers. The papers cover the areas of databases, data mining and intelligent systems, e-learning, human computer interaction, image processing, networks and systems, software and languages, and theoretical computer science.
Data usually comes in a plethora of formats and dimensions, rendering the exploration and information extraction processes challenging. Thus, being able to perform exploratory analyses in the data with the intent of having an immediate glimpse on some of the data properties is becoming crucial. Exploratory analyses should be simple enough to avoid complicate declarative languages (such as SQL) and mechanisms, and at the same time retain the flexibility and expressiveness of such languages. Recently, we have witnessed a rediscovery of the so-called example-based methods, in which the user, or the analyst, circumvents query languages by using examples as input. An example is a representative of the intended results, or in other words, an item from the result set. Example-based methods exploit inherent characteristics of the data to infer the results that the user has in mind, but may not able to (easily) express. They can be useful in cases where a user is looking for information in an unfamiliar dataset, when the task is particularly challenging like finding duplicate items, or simply when they are exploring the data. In this book, we present an excursus over the main methods for exploratory analysis, with a particular focus on example-based methods. We show how that different data types require different techniques, and present algorithms that are specifically designed for relational, textual, and graph data. The book presents also the challenges and the new frontiers of machine learning in online settings which recently attracted the attention of the database community. The lecture concludes with a vision for further research and applications in this area.
Space support in databases poses new challenges in every part of a database management system & the capability of spatial support in the physical layer is considered very important. This has led to the design of spatial access methods to enable the effective & efficient management of spatial objects. R-trees have a simplicity of structure & together with their resemblance to the B-tree, allow developers to incorporate them easily into existing database management systems for the support of spatial query processing. This book provides an extensive survey of the R-tree evolution, studying the applicability of the structure & its variations to efficient query processing, accurate proposed cost models, & implementation issues like concurrency control and parallelism. Written for database researchers, designers & programmers as well as graduate students, this comprehensive monograph will be a welcome addition to the field.
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