20 Result(s)
within
Computer Science
Data Mining and Knowledge Discovery
Database Management
Information Storage and Retrieval
Information Systems Applications (incl. Internet)
User Interfaces and Human Computer Interaction
**u Tao
Chapter
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Chapter and Conference Paper
Out-of-Domain Semantics to the Rescue! Zero-Shot Hybrid Retrieval Models
The pre-trained language model (eg, BERT) based deep retrieval models achieved superior performance over lexical retrieval models (eg, BM25) in many passage retrieval tasks. However, limited work has been done to...
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Chapter and Conference Paper
Supervised Local Contexts Aggregation for Effective Session Search
Existing research on web search has mainly focused on the optimization and evaluation of single queries. However, in some complex search tasks, users usually need to interact with the search engine multiple ti...
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Chapter and Conference Paper
Event Relationship Analysis for Temporal Event Search
There are many news articles about events reported on the Web daily, and people are getting more and more used to reading news articles online to know and understand what events happened. For an event, (which ...
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Chapter and Conference Paper
An Exploratory Study of Sensemaking in Collaborative Information Seeking
With the ubiquity of current information retrieval systems, users move beyond individual searching to performing complex information seeking tasks together with collaborators for social, leisure or professiona...
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Chapter and Conference Paper
Efficient SPARQL Query Evaluation via Automatic Data Partitioning
The volume of RDF data increases very fast within the last five years, e.g. the Linked Open Data cloud grows from 2 billions to 50 billions of RDF triples. With its wonderful scalability, cloud computing platf...
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Chapter and Conference Paper
On Efficient k-Skyband Query Processing over Incomplete Data
The Skyline query and its variants have been extensively explored in the literature. Existing approaches, except one, assume that all dimensions are available for all data items. However, many practical applicati...
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Chapter and Conference Paper
Path-Based Constrained Nearest Neighbor Search in a Road Network
Nearest Neighbor (NN) queries are frequently used for location-dependent information services. In this paper, we study a new NN query called Path-based Constrained Nearest Neighbor (PCNN) query, which involves...
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Chapter and Conference Paper
A Novel Approach for Finding Alternative Clusterings Using Feature Selection
Alternative clustering algorithms target finding alternative grou**s of a dataset, on which traditional clustering algorithms can find only one even though many alternatives could exist. In this research, we...
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Chapter and Conference Paper
On Efficient Reverse k-Skyband Query Processing
This paper, for the first time, addresses the problem of efficient reverse k-skyband (RkSB) query processing. Given a set P of multi-dimensional points and a query point q, an RkSB query returns all the points in...
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Chapter and Conference Paper
Probabilistic Image Tagging with Tags Expanded By Text-Based Search
Automatic image tagging automatically assigns image with semantic keywords called tags, which significantly facilitates image search and organization. Most of present image tagging approaches assign the query ...
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Chapter and Conference Paper
Efficient Histogram-Based Similarity Search in Ultra-High Dimensional Space
Recent development in image content analysis has shown that the dimensionality of an image feature can reach thousands or more for satisfactory results in some applications such as face recognition. Although h...
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Chapter and Conference Paper
Querying Business Process Models Based on Semantics
In recent years, the technology of business process management is being more widely used, so that there are more and more business process models (graphs). How to manage such a large number of business process...
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Chapter and Conference Paper
Dynamic Video Collage
This demo presents a video visualization technique named Dynamic Video Collage (DVC). By selecting representative frames, extracting their regions of interest, constructing collages with the gradually coming f...
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Chapter and Conference Paper
Video Reference: A Video Question Answering Engine
Community-based question answering systems have become very popular for providing answers to a wide variety of ”how-to” questions. However, most such systems present only textual answers. In many cases, users ...
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Chapter and Conference Paper
Sensing Geographical Impact Factor of Multimedia News Events for Localized Retrieval and News Filtering
News materials are reports on events occurring in a given time and location. Looking at the influence of individual event, an event that has news reported worldwide is strategically more important than one tha...
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Chapter and Conference Paper
Learning Cooking Techniques from YouTube
Cooking is a human activity with sophisticated process. Underlying the multitude of culinary recipes, there exist a set of fundamental and general cooking techniques, such as cutting, braising, slicing, and sa...
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Chapter and Conference Paper
Distributed Cache Indexing for Efficient Subspace Skyline Computation in P2P Networks
Skyline queries play an important role in applications such as multi-criteria decision making and user preference systems. Recently, more attention has been paid to the problem of efficient skyline computation...
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Chapter and Conference Paper
Dual Phase Learning for Large Scale Video Gait Recognition
Accurate gait recognition from video is a complex process involving heterogenous features, and is still being developed actively. This article introduces a novel framework, called GC2F, for effective and efficien...
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Chapter and Conference Paper
The Objects Interaction Matrix for Modeling Cardinal Directions in Spatial Databases
Besides topological relations and approximate relations, cardinal directions have turned out to be an important class of qualitative spatial relations. In spatial databases and GIS they are frequently used as sel...
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Chapter and Conference Paper
Constraint-Aware Complex Event Pattern Detection over Streams
In this paper, we propose a framework for constraint-aware pattern detection over event streams. Given the constraint of the input streams, our proposed framework on the fly checks the query satisfiability / u...
