... changes and maintain good levels of
resource provisioning for applications. Finally, critical areas that involve contin-
uously changing and voluminous spatio-temporal data include intelligent ... present
in the original After all, we have obtained that series by discarding data points
in the original, and we never invented new data points, let alone time stamps.
Assume that has data poin...
... operators (point, range, tree structure, nearest
neighbor, skyline, etc.)
Additionally, there are applications for creating databases, loading (bulk and
random insertion), inspecting the database/ index ... exclusion
constraints). Allowing union in the query language is crucial for being able to
extract indefinite disjunctive information from an inconsistent database (see Ex-
ample 1).
F...
... spatial index over object locations.
Indexing Queries. The second centralized approach to processing spatial continuous
queries on moving objects is by indexing queries. In this approach a spatial index, ... watermark.
Energy-Conserving Air Indexes for Nearest Neighbor Search
51
Fig. 1. Data and Index Organization Using the Interleaving Technique
for broadcasting along with the data objects...
... minimize
the information loss in moving from clustering to clustering This information
loss is given by We can also view the information
loss as the increase in the uncertainty. Recall that
Since
H(A) ... Constrained Indexing and Query Indexing are proposed
for efficient evaluation of this kind of queries at a central location. Several other indexing
structures and algorithms for handling...
... is based upon ciphertext, while, in the
second, the intermediate index is based upon plaintext and the final index is
obtained by encrypting the intermediate index. Based upon characteristics ... xor-ing them) to obtain ciphertext.
Decryption involves reversing the process: combining the key-stream with the
ciphertext to obtain the original plaintext. Along with the initial encryption key,...
... Preserving Data Mining
187
We maintain the total number of records in that group. This number is
denoted by
We make the following simple observations:
Observation 1: The mean value of attribute in ... predicates in between
and not involving prefix-matching, whereas with or it is
the number of equality predicates in between and a constant or
between and a constant not involving prefix-...
... relational
databases into an XML format or to store the information in an XML object in
a relational database, increasing the cost of e-business development. Moreover,
specifying the mapping in the ... USA,
2002.
J. Chomicki. Querying with intrinsic preferences. In Proc. of the Int. Conf. on Advances in
Database Technology (EDBT), Prague, Czech Republic, 2002
R. Fagin, A. Lotem...
... environment.
5.3
Phonetic Indexing
We now outline a phonetic indexing technique that may be used for accessing the near-
equal phonemic strings, using a standard database index. We exploit the following two
facts ... extending the approximate indexing techniques outlined in [1,
21] for creating a metric index for phonemes. We are working on an inside-the-engine
implementation of LexEQUAL...
... designing the annotation
specifications, considering the specifics of data integrity constraint checking, and
ascertaining the impact on particular tools remain challenging (and interesting) tasks.
focuses ... watermark.
Computing and Handling Cardinal Direction Information
335
Fig. 3. Polygon clipping
3
Computing Cardinal Direction Relations
Typically, in Geographical Information Systems a...