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Effective and efficient structured retrieval
2009
Proceeding of the 18th ACM conference on Information and knowledge management - CIKM '09
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Experiments show that each solution incrementally improves structured retrieval, and a combination of Boolean filtering, structural expansion, and keyword queries outperforms keyword and simple structured ...
This paper studies retrieval of sentences with annotations for a question answering task. Three problems of structured retrieval are identified and solutions proposed. ...
The views and conclusions are the authors', and do not reflect those of the sponsor. ...
doi:10.1145/1645953.1646175
dblp:conf/cikm/ZhaoC09
fatcat:th7dmtmkj5gozoo2h56q5yl4su
Effective and efficient retrieval of structured entities
2020
Proceedings of the VLDB Endowment
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Extensive experiments on real datasets demonstrate that our proposal is effective and efficient. PVLDB Reference Format: ...
We argue that the retrieval could be more tolerant to structural differences and focus more on the contents of the entities. ...
Acknowledgement This work is supported in part by the National Key Research and Development Plan (2019YFB1705301) and the National Natural Science Foundation of China (61572272, 71690231). ...
doi:10.14778/3380750.3380754
fatcat:owkmyu2pqnabfogchyz5x6uk64
Efficient integration of proximity for text, semi-structured and graph retrieval
2007
Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR '07
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3) proving the retrieval effectiveness and efficiency of the proposed approaches through extensive experimental studies. ...
This PhD research aims at (1) leveraging the power of proximity-enhanced scoring models for text, semi-structured and graph retrieval, (2) at the same time treating efficiency as a major concern, and ( ...
We plan to prove retrieval effectiveness and efficiency using commonly used collections and topics (e.g., from the INEX Ad Hoc track for XML data). ...
doi:10.1145/1277741.1277986
dblp:conf/sigir/Broschart07
fatcat:qmjfci3lgnh77i2qjihz6w2uly
FLCSE: A Novel Feature Extraction Method for Content Structures in Flash Animation Resources
2017
ICIC Express Letters
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They determine the efficiency and quality of retrieval. ...
The content structure features which include metadata information, component elements, dynamic effects and interactive modes are important parts of the retrieval for Flash resources. ...
This work is partially supported by the Science and Technology Development Project of Shandong Province (No. 2011GGX10112). ...
doi:10.24507/icicel.11.03.633
fatcat:fv274kazbvedbkpe3cmo2vvoq4
Learning Multi-view Deep Features for Small Object Retrieval in Surveillance Scenarios
2015
Proceedings of the 23rd ACM international conference on Multimedia - MM '15
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, which is as crucial as structure information for effective object representation. ...
In this paper, we propose to leverage discriminative Convolutional Neural Network (CNN) to learn deep structure and color feature to form an efficient multi-view object representation. ...
Structure and color attributes are two most crucial properties for effective object representation. ...
doi:10.1145/2733373.2806349
dblp:conf/mm/GuoWXZL15
fatcat:7gzu3u7yizbihdb4cofff423la
ENHANCED NONLINEARITIES IN DOUBLE-FISHNET NEGATIVE-INDEX PHOTONIC METAMATERIALS
2013
Electromagnetic Waves
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We also use the retrieved parameters to calculate the material figure of merits and the conversion efficiencies, showing material figure of merits up to two orders of magnitude larger and conversion efficiencies ...
Though these results are calculated using one-unit-cell thick structures, the large magnitude of the enhancement still makes these structures attractive, allowing reasonable conversion efficiencies supported ...
We try to get varied nonlinear enhancement properties and identify the effects of varied structure parameters. ...
doi:10.2528/pier12120601
fatcat:ftqtvaztrvho3b5raisnbp4dpu
Indexing Word Sequences for Ranked Retrieval
2014
ACM Transactions on Information Systems
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In this paper, we present and analyze a new index structure designed to improve query efficiency in dependency retrieval models. ...
Formulating and processing phrases and other term dependencies to improve query effectiveness is an important problem in information retrieval. ...
Our retrieval model can be executed efficiently using sketch index structures. ...
doi:10.1145/2559168
fatcat:apql2edulnfhllv7m3gi3qe6ru
Feature-Based 3D Object Retrieval
[chapter]
2009
Encyclopedia of Database Systems
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Finding efficient and effective features for a given 3D repository is usually addressed by benchmarking. ...
Consequently, there is a strong need to research and develop technology to support the effective retrieval of 3D object data from 3D repositories. ...
Given effective retrieval capabilities, the re-usage of content from existing repositories can be supported for a more efficient production processes [5] . ...
doi:10.1007/978-0-387-39940-9_161
fatcat:cdol5hhjnzapbdu6p3tlms5l34
Feature-Based 3D Object Retrieval
[chapter]
2017
Encyclopedia of Database Systems
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Finding efficient and effective features for a given 3D repository is usually addressed by benchmarking. ...
Consequently, there is a strong need to research and develop technology to support the effective retrieval of 3D object data from 3D repositories. ...
Given effective retrieval capabilities, the re-usage of content from existing repositories can be supported for a more efficient production processes [5] . ...
doi:10.1007/978-1-4899-7993-3_161-2
fatcat:ojwkaqvbgzhrxasplmfm4r3a54
Analysis of the Effectiveness-Efficiency Dependence for Image Retrieval
2000
DELOS Workshops / Conferences
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To this end, we define a benchmark including a measure for the efficiency and the effectiveness of a feature. ...
In other words, an improvement in effectiveness leads to a deterioration of performance and vice versa. ...
On the other hand, database researchers have develop efficient index structure for the nearest-neighbor search problem without considering the effectiveness of the retrieval. ...
dblp:conf/delos/HeczkoKW00
fatcat:x2b76xttnfaqppctgxwzwqna6a
RETRACTED: A multi-keyword parallel ciphertext retrieval scheme based on inverted index under the robot Distributed system [EAI Endorsed Scal Inf Syst (2022), Online First]
2022
EAI Endorsed Transactions on Scalable Information Systems
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At the same time, for searchable encryption, it needs to balance the data security and retrieval efficiency. ...
Through the segmentation of ciphertext inverted index, the block retrieval of inverted index is realized, which overcomes the limitation of single machine resources and improves the retrieval efficiency ...
segmentation can effectively improve the retrieval efficiency. ...
doi:10.4108/eai.8-4-2022.173798
fatcat:7wj6spnugjap7ce3iz6ls3nbfe
A multi-keyword parallel ciphertext retrieval scheme based on inverted index under the robot distributed system
2021
EAI Endorsed Transactions on Scalable Information Systems
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At the same time, for searchable encryption, it needs to balance the data security and retrieval efficiency. ...
Through the segmentation of ciphertext inverted index, the block retrieval of inverted index is realized, which overcomes the limitation of single machine resources and improves the retrieval efficiency ...
segmentation can effectively improve the retrieval efficiency. ...
doi:10.4108/eai.17-12-2021.172438
fatcat:ixjgjgqu3fgzjkhf4hajn3w6m4
RPT: Effective and Efficient Retrieval of Program Translations from Big Code
[article]
2021
arXiv
pre-print
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Furthermore, we present our index structure and hierarchical filtering mechanism for efficient code retrieval from a Big Code database. ...
However, existing code retrieval techniques are not designed for cross-language code retrieval. ...
CONCLUSION AND FUTURE WORK We proposed Rpt, a code-retrieval approach to support program translation with Big Code, which is competitive with existing translation methods. ...
arXiv:2103.12797v1
fatcat:de2lurjhwjcxdpisszfwumoizu
Efficiency and effectiveness of query processing in cluster-based retrieval
2004
Information Systems
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Our research shows that for large databases, without considerable additional storage overhead, cluster-based retrieval (CBR) can compete with the time efficiency and effectiveness of the inverted index-based ...
This study provides CBR efficiency and effectiveness experiments using the largest corpus in an environment that employs no user interaction or user behavior assumption for clustering. r ...
Ozdal, and Atacan Conduroglu of Bilkent University for their support of the project. We greatly appreciate the TREC 4 CD and other information made available by NIST (http://trec.nist.gov/). ...
doi:10.1016/s0306-4379(03)00062-0
fatcat:bn5xke6a7fbu7n4wrflh2ubczy
Addressing CBIR efficiency, effectiveness, and retrieval subjectivity simultaneously
2003
Proceedings of the 5th ACM SIGMM international workshop on Multimedia information retrieval - MIR '03
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a region based approach to improving the retrieval effectiveness and robustness (2) development of a new hierarchical indexing structure and the corresponding Hierarchical, Elimination-based A* Retrieval ...
algorithm (HEAR) to significantly improve the retrieval efficiency without sacrificing the retrieval effectiveness; it is shown that HEAR is guaranteed to deliver a logarithm search in the average case ...
While the majority of the literature in CBIR focuses on the indexing and retrieval effectiveness, much less attention is paid to the indexing and retrieval efficiency issue. ...
doi:10.1145/973264.973276
dblp:conf/mir/ZhangZ03
fatcat:cuyozfrayrhutgquhlfe5ecfuy
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