Translating data and data access operations between applications and databases is a longstanding data management problem. We present a novel approach to this problem, in which the...
We propose a language-model-based ranking approach for SPARQLlike queries on entity-relationship graphs. Our ranking model supports exact matching, approximate structure matching,...
This paper introduces the hash-merge join algorithm (HMJ, for short); a new non-blocking join algorithm that deals with data items from remote sources via unpredictable, slow, or ...
In this paper we describe the design for the Pvault software, which is a personal data manager that stores and retrieves data from a remote untrusted data server securely. The maj...
Ravi Chandra Jammalamadaka, Sharad Mehrotra, Nalin...
This paper presents a description of seven systems, which use database technology to both represent knowledge persistently and make scalable queries on it, in the Semantic Web con...