446 search results - page 13 / 90 » An Empirical Study of Similarity Search in Stock Data |
EMNLP
2007
13 years 8 months ago
2007
Approaches to plural reference generation emphasise descriptive brevity, but often lack empirical backing. This paper describes a corpus-based study of plural descriptions, and pr...
EDBT
2012
ACM
11 years 9 months ago
2012
ACM
Conventional research on similarity search focuses on measuring the similarity between objects with the same type. However, in many real-world applications, we need to measure the...
WSDM
2012
ACM
12 years 2 months ago
2012
ACM
We study the problem of correlating micro-blogging activity with stock-market events, defined as changes in the price and traded volume of stocks. Specifically, we collect messa...
MMM
2011
Springer
12 years 11 months ago
2011
Springer
Abstract. Efficient nearest neighbor (NN) search techniques for highdimensional data are crucial to content-based image retrieval (CBIR). Traditional data structures (e.g., kd-tree...
IDEAS
2006
IEEE
14 years 1 months ago
2006
IEEE
In several applications, data objects are assumed to move on predefined spatial networks such as road segments, railways, invisible air routes. Moving objects may exhibit similar...