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CIKM
2007
Springer
13 years 10 months ago
Evaluation of partial path queries on xml data
XML query languages typically allow the specification of structural patterns of elements. Finding the occurrences of such patterns in an XML tree is the key operation in XML quer...
Stefanos Souldatos, Xiaoying Wu, Dimitri Theodorat...
CIKM
2007
Springer
13 years 10 months ago
Identifying opinion leaders in the blogosphere
Opinion leaders are those who bring in new information, ideas, and opinions, then disseminate them down to the masses, and thus influence the opinions and decisions of others by a...
Xiaodan Song, Yun Chi, Koji Hino, Belle L. Tseng
CIKM
2007
Springer
13 years 10 months ago
Reasoning about vague topological information
Topological information plays a fundamental role in the human perception of spatial configurations and is thereby one of the most prominent geographical features in natural langu...
Steven Schockaert, Martine De Cock
CIKM
2007
Springer
13 years 10 months ago
"More like these": growing entity classes from seeds
We present a corpus-based approach to the class expansion task. For a given set of seed entities we use co-occurrence statistics taken from a text collection to define a membersh...
Luís Sarmento, Valentin Jijkoun, Maarten de...
CIKM
2007
Springer
13 years 10 months ago
A volcano erupts: semantically mediated integration of heterogeneous volcanic and atmospheric data
We present a research effort into the application of semantic web methods and technologies to address the challenging problem of integrating heterogeneous volcanic and atmospheri...
Peter Fox, Deborah L. McGuinness, Robert Raskin, A...
CIKM
2007
Springer
13 years 10 months ago
RDF data exploration and visualization
We present Paged Graph Visualization (PGV), a new semiautonomous tool for RDF data exploration and visualization. PGV consists of two main components: a) the “PGV explorer” an...
Leonidas Deligiannidis, Krys Kochut, Amit P. Sheth
CIKM
2007
Springer
13 years 10 months ago
Detecting distance-based outliers in streams of data
In this work a method for detecting distance-based outliers in data streams is presented. We deal with the sliding window model, where outlier queries are performed in order to de...
Fabrizio Angiulli, Fabio Fassetti
CIKM
2007
Springer
13 years 10 months ago
Parameter sensitivity in the probabilistic model for ad-hoc retrieval
The term frequency normalisation parameter sensitivity is an important issue in the probabilistic model for Information Retrieval. A high parameter sensitivity indicates that a sl...
Ben He, Iadh Ounis
CIKM
2007
Springer
13 years 10 months ago
Finding and linking incidents in news
News reports are being produced and disseminated in overwhelming volume, making it difficult to keep up with the newest information. Most previous research in automatic news organ...
Ao Feng, James Allan
CIKM
2007
Springer
13 years 10 months ago
Learning to join everything
Fernando Pereira