Proceedings 14th International Conference on Scientific and Statistical Database Management
1099-3371
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Các bài báo tiêu biểu
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
Image data model for an efficient multi-criteria query: a case in medical databases
- Trang 165-174
Since the last two decades, image database management has been practiced using different image representation methods. In the literature, images are represented using two paradigms: the metadata-based and the content-based representations. Image retrieval using the metadata is done using the traditional database operations. However, image retrieval by its low-level features requires similarity-bas...... hiện toàn bộ
#Data models #Computer aided software engineering #Biomedical imaging #Image databases #Image retrieval #Content based retrieval #Information retrieval #Image representation #Shape #Spatial databases
Thiết kế và triển khai ngôn ngữ truy vấn dữ liệu dựa trên nghĩa Dịch bởi AI
- Trang 20-23
Chúng tôi trình bày thiết kế và triển khai một ngôn ngữ truy vấn dữ liệu dựa trên nghĩa - MDDQL - nhằm mục đích xây dựng các truy vấn thông qua những gợi ý từ hệ thống về các thuật ngữ truy vấn dựa trên ngôn ngữ tự nhiên cho cả lĩnh vực ứng dụng khoa học và các thuật ngữ toán tử/hoạt động. Một bảng đen xây dựng truy vấn được sử dụng, nơi các thuật ngữ ngôn ngữ truy vấn được gợi ý cho người dùng bằ...... hiện toàn bộ
#Database languages #Natural languages #Vocabulary #Ontologies #Engines #Computer science #Application software #Data models #Software packages #Database systems
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
Proceedings 14th International Conference on Scientific and Statistical Database Management
- 2002
Presents the front cover of the proceedings record.
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
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
Using the GRID for biodiversity research: the GRAB demonstrator
- Trang 11-14
In the GRAB (Grid and Biodiversity) project we are developing a prototype to illustrate some aspects of the GRID's potential for collaborative biodiversity research. A catalogue of life, two species information systems (SISs) and a climate database are made available in a problem solving environment that demonstrates how bioclimatic modelling can be performed by bringing together such resources. W...... hiện toàn bộ
#Biodiversity #Databases #Organisms #Informatics #Prototypes #SPICE #Computer science #Environmental factors #Biology #Collaboration
Information-theoretic disclosure risk measures in statistical disclosure control of tabular data
- Trang 227-231
Statistical database protection is a part of information security which tries to prevent published statistical information (tables, individual records) from disclosing the contribution of specific respondents. This paper shows how to use information-theoretic concepts to measure disclosure risk for tabular data. The proposed disclosure risk measure is compatible with a broad class of disclosure pr...... hiện toàn bộ
#Protection #Databases #Information security #Information theory #Statistics #Aggregates #Sampling methods #Statistical distributions #Conference management