| Vol-899 urn:nbn:de:0074-899-7 Copyright © 2012 for the individual papers by the papers' authors. Copying permitted only for private and academic purposes. This volume is published and copyrighted by its editors.

# SYRCoDIS-2012
The Eighth Spring Researchers Colloquium on Databases and Information Systems 2012

### Proceedings of the Eighth Spring Researchers Colloquium on Databases and Information Systems (SYRCoDIS 2012)

### Moscow, Russia, June 1, 2012.

Edited by

### Ilya Taranov *
Denis Turdakov *

* Institute for System Programming of Russian Academy of Science, Moscow, Russia

## Table of Contents

- Use of Multiple Features for Extracting Topics from News Clusters 3-11
  Aleksey Alekseev, Natalia Loukachevitch
- Data integration system for Linked Open Data space 12-15
  Kuznetcov Konstantin
- Implementing block-stored prefix trees in XML-DBMS 16-21
  Oleg Borisenko, Ilya Taranov
- Mining periodic patterns in time-series databases 22-28
  Ekaterina Ivannikova
- Generalized Parallel Join Algorithms and Designing Cost Models 29-40
  Alice Pigul

13-Sep-2012: submitted by Ilya Taranov
14-Sep-2012: published on CEUR-WS.org