| Vol-1031 urn:nbn:de:0074-1031-3 Copyright © 2013 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 2013
Colloquium on Databases and Information Systems 2013

### Proceedings of the Ninth Spring Researchers Colloquium on Databases and Information Systems, SYRCoDIS 2013

### Kazan, Russia, May 31, 2013.

Edited by

### Natalia Vassilieva *
Denis Turdakov **
Vladimir Ivanov ***

* HP Labs, St. Petersburg, Russia
** Institute for System Programming of Russian Academy of Science, Moscow, Russia
*** Kazan Federal University, Kazan, Russia

## Table of Contents

### Text data analysis methods and technologies

- Semi-Automatic Generation of Linear Event Extraction Patterns for Free Texts 5-9
  Daria Dzendzik, Sergey Serebryakov
- Predict Closed Questions on StackOverflow 10-14
  Galina Lezina, Artem Kuznetsov
- Automatic recognition of domain-specific terms: an experimental evaluation 15-23
  Denis Fedorenko, Nikita Astrakhantsev, Denis Turdakov

### Construction of DBMS application, structured and semistructured data analysis

- An Adaptive Approximate Algorithm For Join 24-26
  Oxana Dolmatova
- To Sort or not to Sort: The Evaluation of R-Tree and B+-Tree in Transactional Environment with Ordered Result Set Requirement 27-34
  Chernishev George, Kirill Smirnov, Pavel Fedotovsky, George Erokhin, Cherednik Kirill
- JSQ: Distributed querying of JSON stream data 35-38
  Konstantin Abakumov

2013-09-06: submitted by Denis Turdakov
2013-09-06: published on CEUR-WS.org