UMQL: A Unified Multimedia Query Language

Cao, Zhijuan; Wu, Zongda; Wang, Yuanzhen

doi:10.1109/sitis.2007.95

Cited by 11 publications

(7 citation statements)

References 15 publications

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“…SRQL [7] is a SQL-like query language for surveillance video retrieval, which enables to make queries at the semantic level, enables the users to define their own scenarios based on semantic events, and retrieves videos with both exact matching and similarity matching. UMQL [8] is a SQL-like query language, which extends the WHERE clause to introduce feature condition, structure condition and spatial-temporal condition, so as to well meet users' query requirements. However, it is a general-purpose multimedia query language, and is not designed for video databases.…”

Section: Table 5 Comparison On Expressiveness Between Svql and Othermentioning

confidence: 99%

“…over the past decades, obviously, all the languages cannot be applicable immediately to video databases, because various kinds of semantic information contained in video data (e.g., the spatial-temporal relationships among video entities) present many new specification requirements for video query languages. While there have been many multimedia query language proposals, e.g., CVQL [5], BVQL [6], SRQL [7], UMQL [8], GMQL [9] etc., some of them have complex grammatical forms, which are different with those of traditional database languages, thereby, making them difficult for traditional users to use. Moreover, most of the languages have relatively weak expressiveness on video queries, thereby, making them unable to meet the diversified video query requirements (see Section 5 for detailed analysis on existing video query languages).…”

Section: Introductionmentioning

confidence: 99%

“…CVQL [5], BVQL [6], SRQL [7] and UMQL [8] are all text-based query languages proposed on the level of database management systems. CVQL [5] is a content-based International Journal of Database Theory and Application Vol.…”

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confidence: 99%

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SVQL: A SQL Extended Query Language for Video Databases

Lu¹,

Liu²,

Wu³

2015

IJDTA

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Section: Table 5 Comparison On Expressiveness Between Svql and Othermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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SVQL: A SQL Extended Query Language for Video Databases

Lu¹,

Liu²,

Wu³

2015

IJDTA

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“…In the area of multimedia query algebras, we find the MP7QF query language for audio-visual media content encoded in the MPEG-7 format [11]. The Unified Multimedia Query Algebra (UMQA) aims at integrating different features for multimedia querying such as content-based features, spatio-temporal relations, and traditional metadata [7]. The existing algebras either focus on spatial or temporal relations.…”

Section: Related Workmentioning

confidence: 99%

A Novel Approach for Semantics-Enabled Search of Multimedia Documents on the Web

Weiland

Scherp

2014

MultiMedia Modeling

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Abstract. We present an analysis of a large corpus of multimedia documents obtained from the web. From this corpus of documents, we have extracted the media assets and the relation information between the assets. In order to conduct our analysis, the assets and relations are represented using a formal ontology. The ontology not only allows for representing the structure of multimedia documents but also to connect with arbitrary background knowledge on the web. The ontology as well as the analysis serve as basis for implementing a novel search engine for multimedia documents on the web.

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“…The extension has special constructs that deal with resource constraints, particularly low bandwidth, and with multimedia, spatiotemporal information, and moving objects. Multimedia, spatio-temporal, and moving objects constructs have been studied previously (see e.g., [6,7,8]), and thus in this section we elaborate on low bandwidth constraints. TIQL has two types of constructs: SQL query clauses and directives for configuration of the TIWM layer.…”

Section: Tactical Information Query Languagementioning

confidence: 99%

A Tactical Information Management Middleware for Resource-Constrained Mobile P2P Networks

Linderman

Madria

et al. 2010

2010 29th IEEE Symposium on Reliable Distributed Systems

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Abstract-In this paper we provide an architecture for Tactical Information Middleware for bandwidth constrained information management. We propose the ideas of rank-based data dissemination, and the use of a tactical information management query language. These ideas will deal with dynamic changes in bandwidth and explore opportunistic data dissemination. Thus, will lead to a cross layer design of a system capable of handling the dynamic data management issues relevant in many mission critical applications. 1I. INTRODUCTION Air force tactical missions such as collaborative reconnaissance involve Unmanned Air Vehicles (UAVs), ground stations, and dismounted users. Such missions often run applications which disseminate video/imagery, requiring stringent levels of quality of service (QoS). Furthermore, this tactical level QoS for information management needs to be achieved under environmental and operational constraints such as intermittent network connectivity, low bandwidth, limited CPU and battery power. Tactical Information Management (TIM) is the capability of providing QoS in a dynamic topology under bandwidth constraints. Similar conditions will exist in future mobile P2P environments that involve vehicles, mobile devices such as cellular phones carried by pedestrians, and stationary computers.We propose to address the TIM needs by building a Tactical Information Middleware (TIMW) that uses a declarative language like SQL, specifically designed for intermittent and low/dynamic connectivity environments. The TIMW will receive queries from the application layer, and it will collaborate with the Radio-Communication Layer to process them in a mobile, distributed fashion.Current technology such as OMG Data Distribution Service (DDS), used in many DoD applications, promises to deliver the QoS assurances but is limited in its capability to address the resource limitations of tactical missions. The proposed ideas will enhance the current functionality of systems such as AIMS [15].The rest of the paper is organized as follows. In section II we introduce the environment. In section III we describe the architecture of the TIMW. In sections IV to VI we discuss each individual component of TIMW respectively.

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UMQL: A Unified Multimedia Query Language

Cited by 11 publications

References 15 publications

SVQL: A SQL Extended Query Language for Video Databases

SVQL: A SQL Extended Query Language for Video Databases

A Novel Approach for Semantics-Enabled Search of Multimedia Documents on the Web

A Tactical Information Management Middleware for Resource-Constrained Mobile P2P Networks

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