Proceedings 14th International Conference on Scientific and Statistical Database Management
1099-3371
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Efficient techniques for range search queries on earth science data
- Trang 142-151
We consider the problem of organizing large scale earth science raster data to efficiently handle queries for identifying regions whose parameters fall within certain range values specified by the queries. This problem seems to be critical to enabling basic data mining tasks such as determining associations between physical phenomena and spatial factors, detecting changes and trends, and content b...... hiện toàn bộ
#Geoscience #Large-scale systems #Data mining #Information retrieval #Content based retrieval #Data structures #Computational modeling #Educational institutions #Organizing #Tree data structures
Similarity searching for multi-attribute sequences
- Trang 175-184
We investigate the problem of searching similar multiattribute time sequences. Such sequences arise naturally in a number of medical, financial, video, weather forecast, and stock market databases where more than one attribute is of interest at a time instant. We first solve the simple case in which the distance is defined as the Euclidean distance. Later we extend it to shift and scale invariance...... hiện toàn bộ
#Weather forecasting #Databases #Discrete Fourier transforms #Stock markets #Economic forecasting #Euclidean distance #Wavelet transforms #Computer science #Mathematics #Indexes
Managing heterogeneous ecological data using Morpho
- Trang 69-76
Ecological and environmental data cover a wide range of topics, from biodiversity surveys to measurements of trace gas fluxes, and are modeled using a tremendous variety of schemas. We have developed Morpho, a data management application designed to assist researchers in managing this heterogeneous collection of ecological data. Our goal in developing Morpho was to ease the burden of data manageme...... hiện toàn bộ
#XML #Network servers #Packaging #Biodiversity #Collaboration #Databases #File servers #Conference management #Knowledge management #Environmental factors
Abstract and discrete models for uncertain spatiotemporal data
- Trang 240
Summary form only given. We deal with the uncertainty in spatial and spatiotemporal databases. Due to lack of accurate measurements, or rapid changes in time, spatial and spatiotemporal data are often uncertain. Our work presents new abstract and discrete models for uncertain spatial and spatiotemporal information. The models are based on the principle that one knows that the uncertain object, reg...... hiện toàn bộ
#Spatiotemporal phenomena #Uncertainty #Computer science #Spatial databases #Time measurement #Costs #Shape #Data analysis #Database systems #Data models
Truy vấn OLAP mở rộng bằng XML Dịch bởi AI
- Trang 195-206
Các yêu cầu dữ liệu đang thay đổi nhanh chóng của môi trường kinh doanh động hiện nay không được xử lý tốt bởi các hệ thống xử lý phân tích trực tuyến (OLAP) hiện tại. Việc tích hợp dữ liệu từ các nguồn mới vào các hệ thống OLAP một cách vật lý là một quá trình lâu dài và tốn thời gian, khiến việc tích hợp logic trở thành lựa chọn tốt hơn trong nhiều tình huống. Việc sử dụng Tài liệu Đánh dấu Mở r...... hiện toàn bộ
#XML #Multidimensional systems #Markup languages #Prototypes #Transaction databases #Computer science #Visual databases #Information retrieval #Database systems #Joining processes
An architecture for managing distributed scientific resources
- Trang 47-55
There are many examples where cooperation among scientists takes place by exchanging scientific resources, such as data, programs and mathematical models. This is particularly true for environmental applications. Finding the right resource to apply in an environmental problem is a difficult task. Usually, this decision is based on previous experience. Scientists have to cooperate in order to solve...... hiện toàn bộ
#Resource management #Environmental factors #Documentation #Context modeling #Mathematical model #Proposals #Database systems #Isolation technology #Web services #Protocols
Access Support Tree and TextArray: a data structure for XML document storage and retrieval
- Trang 155-164
The characteristics of XML documents require new ways of storing and querying such documents. Queries on both textual content and structural aspects must be supported efficiently. For this reason, we examined existing work on both document storage approaches and models for querying documents to derive requirements that are essential for the storage of XML documents. As a result of our study, we de...... hiện toàn bộ
#Tree data structures #XML #Information retrieval #Data structures #Content based retrieval #Database languages #Computer science #Internet #Search engines #Merging
Proceedings 14th International Conference on Scientific and Statistical Database Management
- 2002
Presents the front cover of the proceedings record.
The Edinburgh mouse atlas and gene-expression database: a spatio-temporal database for biological research
- Trang 239
The Edinburgh Mouse Atlas Project (EMAP) has developed a digital atlas of mouse development which provides a bioinformatics framework to spatially reference biological data. The EMAP core database contains 3D grey-level reconstructions of the mouse embryo at various stages of development, a systematic nomenclature of the embryo anatomy, and defined 3D regions (domains) of the embryo. The reconstru...... hiện toàn bộ
#Mice #Spatial databases #Embryo #Bioinformatics #Systematics #Anatomy #Object oriented modeling #Object oriented databases #Middleware #Java
Multiple overlapping classifications: issues and solutions
- Trang 77-86
This paper discusses issues and solutions for supporting multiple overlapping classifications in database systems. These classifications are commonly found in science, although they are often ignored in computing applications for scientific data, and inappropriate solutions adopted as their replacement. Known database models and classification techniques offer some degree of support for multiple o...... hiện toàn bộ
#Classification tree analysis #Object oriented modeling #Books #Spatial databases #Libraries #Diseases #Database systems #Computer applications #Tree graphs #Object oriented databases