Publications related to A Multimodal Database Framework for Multimedia Meeting Annotations

Compression with Graphical Constraints: An Interactive Browser

We study the problem of navigating/searching through a database of objects with potentially different popularities using a membership oracle. The membership oracle, given a subset of objects

A

, and a target object

t

, determines whether

A

contains

t

...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2011

Entangled queries: enabling declarative data-driven coordination

Christoph Koch

Many data-driven social and Web applications involve collaboration and coordination. The vision of Declarative Data-Driven Coordination (D3C), proposed in Kot et al. [2010], is to support coordination in the spirit of data management: to make it data-centr ...

Assoc Computing Machinery2011

Database Queries in Java

Christopher Ming-Yee Iu

In conventional programming languages like Java, the interface for accessing databases is often inelegant. Typically, an entire separate database query language must be embedded inside a conventional programming language for programmers to access the full ...

EPFL2010

Reasoning with large ontologies stored in relational databases: The OntoMinD approach

Stefano Spaccapietra, Christine Parent

A major obstacle to the development of ontologies in support of the Semantic Web is the poor capability of current ontology techniques to handle very large ontologies, in particular regarding scalability of reasoners. This paper builds on the assumption th ...

2010

On Probabilistic Fixpoint and Markov Chain Query Languages.

Christoph Koch

We study highly expressive query languages such as datalog, fixpoint, and while-languages on probabilistic databases. We generalize these languages such that computation steps (e.g. datalog rules) can fire probabilistically. We define two possible semantic ...

2010

Improving OLTP Concurrency through Early Lock Release

Anastasia Ailamaki, Frederick Ryan Johnson, Manoussos Gavriil Athanassoulis, Radu Ioan Stoica

Since the beginning of the multi-core era, database systems research has restarted focusing on increasing concurrency. Even though database systems have been able to accommodate concurrent requests, the exploding number of available cores per chip has surf ...

2009

DBToaster: A SQL Compiler for High-Performance Delta Processing in Main-Memory Databases

Christoph Koch, Yanif Ahmad

We present DBToaster, a novel query compilation framework for producing high performance compiled query executors that incrementally and continuously answer standing aggregate queries using in-memory views. DBToaster targets applications that require effic ...

2009

Towards Integrated and Efficient Scientific Sensor Data Processing: A Database Approach

Karl Aberer, Jie Wu

In this work, we focus on managing scientific environmental data, which are measurement readings collected from wireless sensors. In environmental science applications, raw sensor data often need to be validated, interpolated, aligned and aggregated before ...

2009

Sharing of probabilistically correlated data in peer-to-peer networks

Roman Schmidt

The impact of Peer-to-Peer (P2P) networks on the Internet landscape is undisputed. It has led to a series of new applications, e.g., as part of the so-called Web 2.0. The shift from the classical client-server based paradigm of the Internet, with a clear d ...

EPFL2008

To Share or Not To Share?

Anastasia Ailamaki, Babak Falsafi, Frederick Ryan Johnson, Ippokratis Pandis

Intuitively, aggressive work sharing among concurrent queries in a database system should always improve performance by eliminating redundant computation or data accesses. We show that, contrary to common intuition, this is not always the case in practice, ...

2007

A Multimodal Database Framework for Multimedia Meeting Annotations

Graph Chatbot

Chat with Graph Search

Compression with Graphical Constraints: An Interactive Browser

Entangled queries: enabling declarative data-driven coordination

Database Queries in Java

Reasoning with large ontologies stored in relational databases: The OntoMinD approach

On Probabilistic Fixpoint and Markov Chain Query Languages.

Improving OLTP Concurrency through Early Lock Release

DBToaster: A SQL Compiler for High-Performance Delta Processing in Main-Memory Databases

Towards Integrated and Efficient Scientific Sensor Data Processing: A Database Approach

Sharing of probabilistically correlated data in peer-to-peer networks

To Share or Not To Share?

Compression with Graphical Constraints: An Interactive Browser

Reasoning with large ontologies stored in relational databases: The OntoMinD approach

Database Queries in Java

Entangled queries: enabling declarative data-driven coordination

On Probabilistic Fixpoint and Markov Chain Query Languages.

Improving OLTP Concurrency through Early Lock Release

DBToaster: A SQL Compiler for High-Performance Delta Processing in Main-Memory Databases

Towards Integrated and Efficient Scientific Sensor Data Processing: A Database Approach

Sharing of probabilistically correlated data in peer-to-peer networks

To Share or Not To Share?