Most keyword search approaches for data-centric XML documents are based on the computation of Lowest Common Ancestors (LCA), such as SLCA and MLCA. In this paper, we show that the LCA is not always a correct search model for processing keyword queries over general XML data. In particular, when an XML database contains relationships among objects, which is quite common in practical data, LCA-bas...

We examine the effectiveness of various speaker recognition approaches based on word-conditioning. Subsets of 62 keywords (used for word-conditioning) are examined for their individual and combined effectiveness for a keyword HMM approach, a supervector keyword HMM approach, a keyword phone Ngrams approach, and a keyword phone HMM approach. Our results demonstrate the effectiveness of acoustic ...

In this paper, we propose an utterance verification-based postprocessing in online keyword recognition for multimedia content retrieval. The proposed post-processing technique verifies whether a candidate keyword segment can be categorized as a keyword. For this work, we employ a confidence measure based on the recognition results. In keyword recognition experiments, our approach achieved bette...

The paper presents the application of the mini-models' method (MM-method) based on n-dimensional simplex for modeling of energy efficiency. The article briefly describes the problem of buildings energy performance. The mini-models method is quite new and is a subject of intensive research. The MM-method is instance-based learning algorithm. In the method, group of points which are used in the m...

Newspapers are one of the most challenging domains for information retrieval systems: new articles appear everyday written in different languages, with multimedia contents and the news repositories may be updated in a matter of hours so information extraction is crucial to the metadata contents of the news. Further approaches of “smart retrieval” have to cope with multimedia and multilingual fe...

The aim of this paper is to gain the broad explanation of corruption using simple computational model. We elaborated further the model of corruption described previously in Situngkir (2003b), with some additions in model’s properties. We performed hundreds of experiments computationally using Swarm and constructed the explanation of corruption based upon these results. We show that corruption s...