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Similarity-based queries
1995
Proceedings of the fourteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems - PODS '95
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Our framework has three components: a pattern language, a transformation rule language, and a query language. ...
The pattern language specifies classes of objects, the transformation rule language defines similarity by specifying the similarity-preserving transformations, and the whole package is wrapped in a ...
The basic pattern language weuseis regular expressions, and the query language is calculus-based. ...
doi:10.1145/212433.212444
dblp:conf/pods/JagadishMM95
fatcat:ne6mfql22raczoum3m7av5uaxu
Context-Based Image Similarity Queries
[chapter]
2006
Lecture Notes in Computer Science
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In this paper an effective context-based approach for interactive similarity queries is presented. ...
By exploiting the notion of image "context", it is possible to associate different meanings to the same query image. ...
similarity queries. ...
doi:10.1007/11670834_18
fatcat:24uzxzbfcja4zey3lfoipsrzaq
Similarity-based relaxed instance queries
2015
Journal of Applied Logic
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Similarity measures can offer a controlled way of gradually relaxing a query concept within a user-specified limit. ...
In this paper we formalize the task of instance query answering for DL KBs using concepts relaxed by concept similarity measures (CSMs). ...
Concept similarity measures are widely used in ontology-based applications. ...
doi:10.1016/j.jal.2015.01.002
fatcat:nuog53hacrck3mgw422rgg6qwq
Query systems in similarity-based databases
2010
Proceedings of the 2010 ACM Symposium on Applied Computing - SAC '10
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A major implication of the paper is that similarity-based data querying can be made an integral part of an extended, similarity-based, relational model of data which is based on first-order predicate logics ...
In this paper, we outline the foundations and propose two query systems for similarity-based databases: a domain relational calculus (DRC) and a relational algebra (RA). ...
similarity-based queries. ...
doi:10.1145/1774088.1774444
dblp:conf/sac/BelohlavekV10a
fatcat:oojn6l5uizdcbmfsdgwikc25my
Towards Similarity-Based Topological Query Languages
[chapter]
2006
Lecture Notes in Computer Science
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In order to make such predicates effectively usable, we discuss how GQuery, an XML-based spatial query language, can be extended to support similarity-based queries through the proposed operators. ...
the query results. ...
-M 3 : GQ 3 =
GQuery s : a Similarity-Based Spatial Query Language Weak topological predicates can be used to extend existing spatial query languages, in order to directly support similarity-based computations ...
doi:10.1007/11896548_51
fatcat:io47gzrwsrgn5bzgic4pvwuwzm
Surface similarity-based molecular query-retrieval
2007
BMC Cell Biology
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Therefore molecular similarity is a key notion in investigations targeting exploration of molecular structural space, query-retrieval in molecular databases, and structure-activity modelling. ...
Surface-based molecular similarity is subsequently determined by computing the similarity of the surface-property distributions using a novel formulation of histogram-intersection. ...
query, where molecules are retrieved in terms of their overall similarity, as defined using appropriate similarity functions, to the query molecule. ...
doi:10.1186/1471-2121-8-s1-s6
pmid:17634096
pmcid:PMC1924511
fatcat:pu2e3hj7ijfkrjr7w5ja6tqwna
Finding Similar Queries to Satisfy Searches Based on Query Traces
[chapter]
2002
Lecture Notes in Computer Science
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The approach is based on the notion of quasi-similarity between queries since full similarity with an unsatisfactory query would lead to disappointment. ...
We present a model for search engine queries and a variety of quasi-similarity measures to retrieve relevant queries. ...
If the user is unsatisfied with the results a recommendation for similar queries is requested and similar queries are displayed based on the similarity measure chosen. ...
doi:10.1007/3-540-46105-1_24
fatcat:w27gwag64jg3bls3rddr5lwbqy
Querying time series data based on similarity
2000
IEEE Transactions on Knowledge and Data Engineering
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We present a query processing algorithm that uses the underlying multidimensional index built over the data set to efficiently answer similarity queries. ...
AbstractÐWe study similarity queries for time series data where similarity is defined, in a fairly general way, in terms of a distance function and a set of affine transformations on the Fourier series ...
RAFIEI AND MENDELZON : QUERYING TIME SERIES DATA BASED ON SIMILARITY
. This can be verified by taking the first derivatives of D w.r.t. s x and s y and equating them to zero.3. & Y ...
doi:10.1109/69.877502
fatcat:e4zpfbmvzvh2vmusxwnezaoc4a
Similarity-based queries for time series data
1997
Proceedings of the 1997 ACM SIGMOD international conference on Management of data - SIGMOD '97
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We study similarity queries for time series data where similarity is defined in terms of a set of linear transformations on the Fourier series representation of a sequence. ...
In this paper, we present a new algorithm for processing queries that define similarity in terms of multiple transformations instead of a single one. ...
We are often interested in similarity queries on time-series data [3, 2] . ...
doi:10.1145/253260.253264
dblp:conf/sigmod/RafieiM97
fatcat:i5n7i3xaerhmdegpxtyrmfdkxa
Similarity-Based Queries for Time Series Data
1998
arXiv
pre-print
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We relate our transformations to the general framework for similarity queries of Jagadish et al. ...
We present a query processing algorithm that uses the underlying R-tree index of a multidimensional data set to answer similarity queries efficiently. ...
In the next section, we discuss an indexing technique for similarity queries.
Indexing of Similarity Queries In this section we describe a fast query processing method for similarity queries. ...
arXiv:cs/9809023v2
fatcat:yom7hofqhjhopmypjl3qt2ftoe
Similarity-based queries for time series data
1997
SIGMOD record
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We study similarity queries for time series data where similarity is defined in terms of a set of linear transformations on the Fourier series representation of a sequence. ...
In this paper, we present a new algorithm for processing queries that define similarity in terms of multiple transformations instead of a single one. ...
We are often interested in similarity queries on time-series data [3, 2] . ...
doi:10.1145/253262.253264
fatcat:iwj4gfzvf5ggviom237f26fwb4
Query-based Attention CNN for Text Similarity Map
[article]
2017
arXiv
pre-print
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In this paper, we introduce Query-based Attention CNN(QACNN) for Text Similarity Map, an end-to-end neural network for question answering. ...
First, the compare mechanism compares between the given passage, query, and multiple answer choices to build similarity maps. ...
Based on first stage query-based sentence features from section 2.2.2, we want to acquire sentencelevel attention map. ...
arXiv:1709.05036v2
fatcat:etngc2ty75fa3dymksee7umauy
A Similarity-Based Unification Model for Flexible Querying
[chapter]
2002
Lecture Notes in Computer Science
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We use the formal model for similarity-based fuzzy unification in multi-adjoint logic programs to provide new tools for flexible querying. ...
Our approach is based on a general framework for logic programming, which gives a formal model of fuzzy logic programming extended by fuzzy similarities and axioms of first-order logic with equality. ...
Later, a formal model for similarity-based fuzzy unification is presented by using the multi-adjoint logic programming paradigm to provide new tools for flexible querying. ...
doi:10.1007/3-540-36109-x_21
fatcat:sct7j7s3qnh4nd53747idnlcea
Expressing and Optimizing Similarity-Based Queries in SQL
[chapter]
2004
Lecture Notes in Computer Science
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The use of the NN-UDP makes the queries involving similarity searches intuitive to express. ...
Searching for similar objects (in terms of near and nearest neighbors) of a given query object from a large set is an essential task in many applications. ...
Conclusion In this paper, we introduced a user-defined predicate (UDP) for expressing queries involving similarity searches. ...
doi:10.1007/978-3-540-30464-7_36
fatcat:cbnglc4gqnckja757ca7cbb77a
Optimizing complex queries based on similarities of subqueries
2005
Knowledge and Information Systems
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Different levels of similarity for subqueries are introduced. Efficient algorithms to identify similar queries in a given query and optimize the query based on similarity are presented. ...
To tackle this challenge, we present a new similarity-based approach to optimizing complex queries in this paper. ...
Based on the above observation, we introduce a new similarity-based approach to reducing optimization time for a complex query by exploiting its similar subqueries (the similarity is defined by some error ...
doi:10.1007/s10115-004-0189-y
fatcat:us4ziwhbfzby3jz7xwbplkvhcu
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