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System and method for improved searching on the internet or similar networks and especially improved MetaNews and/or improved automatically generated newspapers

Google has recently made available at http://news.google.com an automated “newspaper”, which searches continuously about 4,500 news sources, and lets users view automatically generated headlines in a few general areas or lets users search for news by keywords. The automatic determination of which news items or news stories are most important is done by 3 main criteria: In how many sources the news item appeared, how important are the news sources in which it appeared, and how close it is to the top in each of these news sources. However, many problems still remain, such as for example: a. The choice of a single main news source and a single image for each item seems arbitrary to the user and limits the user. b. If the user clicks on the “related items” link for that item the user always gets a linear list of typically hundreds or even more than a thousand links to related news items, sorted either by relevance or by time, however, the new list is now without any images and without any clustering, so that many times news stories that are about the same event or even identical, may appear at different positions in the list of related links, and various other news items may appear between them and are typically also dispersed in various places. This makes it vary hard for the user to take advantage efficiently of the list of related items. The present invention solves the above problem by creating recursive clustering, so that preferably at any level in the tree the user can preferably either choose a specific news item from the cluster or from the shown sub-clusters or continue in the tree. Another improvement is that searching the Meta News by keywords can generate an automatic newspaper in a way similar to the original automatically generated newspaper. Many additional improvements to the concept of automated newspapers and/or news MetaSearch are also shown. Other improvements are suggested for improved shareware MetaSearch, improved Web pages search, and other types of searches.
Owner:BARHON MAYER BATYA

Distance-aware service discovery mechanism for determining the availability of remote services in wireless personal area networks

The present invention refers to a method for extending replicated service discovery information for determining the availability of requested remote services in a client/server-based network environment (400), wherein each of a multiplicity of client terminals (402) is connected to a single file and/or application server (404, 405) of a specific service provider via a wireless multi-hop network which is based on a store-and-forward messaging principle, i.e. a wireless Personal Area Network (PAN) based on Bluetooth technology. Thereby, said service discovery information is needed for a selection of the optimal service provider. The method comprises the steps of providing (S1) network distance information indicating the number of intermediate network nodes (406) acting as forwarding servers for accessing remotely accessible services between a client terminal (402) and a number of file and/or application servers (404, 405) within said wireless wireless multi-hop network and selecting (S2) a requested remote service running on a file and/or application server (404) of a specific service provider at a network distance in the physical proximity of the respective client terminal (402) which can be reached from said client terminal (402) with a minimum of forwarding delay based on said network distance information.
According to one embodiment of the invention, service discovery information is dynamically adapted (S3) to information concerning varying resource availability and/or changing link characteristics within said wireless multi-hop network. In this connection, cached service discovery information is marked as active (S3a) only as long as a file and/or application server (404, 405) participates in a wireless communication session with the respective client terminal (402) and marked as inactive (S3b) after the connection between said server (404, 405) and the respective client terminal (402) is closed and a predefined time-out period has expired, thereby discarding (S3c) outdated service discovery information. According to a further embodiment, information indicating the usage of requested remote services is taken into account during the process of selecting (S2) a specific remote service.
Owner:SONY DEUT GMBH
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