Abstract: A database system comprising a database having a dynamic schema and comprising a plurality of data storage nodes; and at least one processor configured to, using an encryption process: manage access to plaintext data stored in the plurality of data storage nodes by users employing at least one client-controlled resource in a client access layer; restrict access to the plaintext data by other users, wherein the other users include users with system administration privileges for the database and administrators of processing resources hosting the database; and manage access to encrypted copies of the plaintext data by the users with system administration privileges for the database such that the system administration privileges do not enable access to plaintext versions of the encrypted copies. A method for managing data security for a database. A database system with a dynamic schema architecture, a client access layer, and an operational database layer.

Abstract: A system for presenting a skill-based game, the system includes at least one server to serve a set of matchups of participants of an event, to a plurality of presentation devices, the plurality of presentation devices displaying the set of matchups on a display; to receive over the wide area network data from the presentation devices characterizing a set of user selected winners of the matchups made by the users; update the event data pertinent to participants in the actual events; using the updated data to calculate and assign payoffs to the users based on fixed payoff odds. A related computer-implemented method provides participant matchups to an operator organizing such a skill-based game.

Abstract: A database system comprising a database having a dynamic schema and comprising a plurality of data storage nodes; and at least one processor configured to, using an encryption process: manage access to plaintext data stored in the plurality of data storage nodes by users employing at least one client-controlled resource in a client access layer; restrict access to the plaintext data by other users, wherein the other users include users with system administration privileges for the database and administrators of processing resources hosting the database; and manage access to encrypted copies of the plaintext data by the users with system administration privileges for the database such that the system administration privileges do not enable access to plaintext versions of the encrypted copies. A method for managing data security for a database. A database system with a dynamic schema architecture, a client access layer, and an operational database layer.

Abstract: A database system comprising a database having a dynamic schema and comprising a plurality of data storage nodes; and at least one processor configured to, using an encryption process: manage access to plaintext data stored in the plurality of data storage nodes by users employing at least one client-controlled resource in a client access layer; restrict access to the plaintext data by other users, wherein the other users include users with system administration privileges for the database and administrators of processing resources hosting the database; and manage access to encrypted copies of the plaintext data by the users with system administration privileges for the database such that the system administration privileges do not enable access to plaintext versions of the encrypted copies. A method for managing data security for a database. A database system with a dynamic schema architecture, a client access layer, and an operational database layer.

Abstract: A system for presenting a skill-based game, the system includes at least one server to serve a set of matchups of participants of an event, to a plurality of presentation devices, the plurality of presentation devices displaying the set of matchups on a display; to receive over the wide area network data from the presentation devices characterizing a set of user selected winners of the matchups made by the users; update the event data pertinent to participants in the actual events; using the updated data to calculate and assign payoffs to the users based on fixed payoff odds. A related computer-implemented method provides participant matchups to an operator organizing such a skill-based game.

Abstract: A system for presenting a skill-based game, the system includes at least one server to serve a set of matchups of participants of an event, to a plurality of presentation devices, the plurality of presentation devices displaying the set of matchups on a display; to receive over the wide area network data from the presentation devices characterizing a set of user selected winners of the matchups made by the users; update the event data pertinent to participants in the actual events; using the updated data to calculate and assign payoffs to the users based on fixed payoff odds. A related computer-implemented method provides participant matchups to an operator organizing such a skill-based game.

Abstract: A system for presenting a skill-based game, the system includes at least one server to serve a set of matchups of participants of an event, to a plurality of presentation devices, the plurality of presentation devices displaying the set of matchups on a display; to receive over the wide area network data from the presentation devices characterizing a set of user selected winners of the matchups made by the users; update the event data pertinent to participants in the actual events; using the updated data to calculate and assign payoffs to the users based on fixed payoff odds. A related computer-implemented method provides participant matchups to an operator organizing such a skill-based game.

Abstract: A system for presenting a skill-based game, the system includes at least one server to serve a set of matchups of participants of an event, to a plurality of presentation devices, the plurality of presentation devices displaying the set of matchups on a display; to receive over the wide area network data from the presentation devices characterizing a set of user selected winners of the matchups made by the users; update the event data pertinent to participants in the actual events; using the updated data to calculate and assign payoffs to the users based on fixed payoff odds. A related computer-implemented method provides participant matchups to an operator organizing such a skill-based game.

Abstract: A system for presenting a skill-based game, the system includes at least one server to serve a set of matchups of participants of an event, to a plurality of presentation devices, the plurality of presentation devices displaying the set of matchups on a display; to receive over the wide area network data from the presentation devices characterizing a set of user selected winners of the matchups made by the users; update the event data pertinent to participants in the actual events; using the updated data to calculate and assign payoffs to the users based on fixed payoff odds. A related computer-implemented method provides participant matchups to an operator organizing such a skill-based game.

Abstract: A system for presenting a skill-based game, the system includes at least one server to serve a set of matchups of participants of an event, to a plurality of presentation devices, the plurality of presentation devices displaying the set of matchups on a display; to receive over the wide area network data from the presentation devices characterizing a set of user selected winners of the matchups made by the users; update the event data pertinent to participants in the actual events; using the updated data to calculate and assign payoffs to the users based on fixed payoff odds. A related computer-implemented method provides participant matchups to an operator organizing such a skill-based game.

Abstract: A system for presenting a skill-based game, the system includes at least one server to serve a set of matchups of participants of an event, to a plurality of presentation devices, the plurality of presentation devices displaying the set of matchups on a display; to receive over the wide area network data from the presentation devices characterizing a set of user selected winners of the matchups made by the users; update the event data pertinent to participants in the actual events; using the updated data to calculate and assign payoffs to the users based on fixed payoff odds. A related computer-implemented method provides participant matchups to an operator organizing such a skill-based game.

Abstract: A database system comprising a database having a dynamic schema and comprising a plurality of data storage nodes; and at least one processor configured to, using an encryption process: manage access to plaintext data stored in the plurality of data storage nodes by users employing at least one client-controlled resource in a client access layer; restrict access to the plaintext data by other users, wherein the other users include users with system administration privileges for the database and administrators of processing resources hosting the database; and manage access to encrypted copies of the plaintext data by the users with system administration privileges for the database such that the system administration privileges do not enable access to plaintext versions of the encrypted copies. A method for managing data security for a database. A database system with a dynamic schema architecture, a client access layer, and an operational database layer.

Abstract: A system for presenting a skill-based game, the system includes at least one server to serve a set of matchups of participants of an event, to a plurality of presentation devices, the plurality of presentation devices displaying the set of matchups on a display; to receive over the wide area network data from the presentation devices characterizing a set of user selected winners of the matchups made by the users; update the event data pertinent to participants in the actual events; using the updated data to calculate and assign payoffs to the users based on fixed payoff odds. A related computer-implemented method provides participant matchups to an operator organizing such a skill-based game.

Abstract: A system for presenting a skill-based game, the system includes at least one server including a processor configured to execute machine readable code, the machine readable code executable by said processor configured to cause the server to serve a set of matchups of participants of an event, to the plurality of presentation devices, the plurality of presentation devices displaying the set of matchups on a display; receive over the wide area network data from the presentation devices characterizing a set of user selected winners of the matchups made by the users; update the event data pertinent to participants in the actual events; using the updated data to calculate and assign payoffs to the users based on the fixed payoff odds.

Abstract: A system for presenting a skill-based game, the system includes at least one server including a processor configured to execute machine readable code, the machine readable code executable by said processor configured to cause the server to serve a set of matchups of participants of an event, to the plurality of presentation devices, the plurality of presentation devices displaying the set of matchups on a display; receive over the wide area network data from the presentation devices characterizing a set of user selected winners of the matchups made by the users; update the event data pertinent to participants in the actual events; using the updated data to calculate and assign payoffs to the users based on the fixed payoff odds.

Abstract: A portable wideband harmonic signal generator includes circuitry for generating a signal having a selected fundamental frequency, for producing a signal having a harmonic series of the selected fundamental frequency, for transferring the signal having the harmonic series using a balanced impedance output, and for directionally transmitting transferred signal having the harmonic series using a directional antenna having a characteristic impedance that is matched to the balanced impedance output. There is thus provided a compact, efficient transmitter and antenna assembly for transmitting a wideband signal.

Abstract: A Personal Computer Memory Card International Association (PCMCIA) card is disclosed. The PCMCIA card may include a cryptographic module, a communications interface, and a processor. The cryptographic module may perform Type 1 encryption of data received from a computer into which the card is inserted. The cryptographic module may support High Assurance Internet Protocol Encryption (HAIPE). The communications interface may provide connectivity to a network adapter. The communications interface may include a Universal Serial Bus (USB) interface. The processor may detect whether a network adapter is coupled to the communications interface, identify a device driver that corresponds to the network adapter, and employ the device driver to provide operative communication between the cryptographic module and the network adapter. The PCMCIA card may contain a datastore that maintains a plurality device drivers. For example, the plurality of device drivers support any one of IEEE 802.x, Ethernet, V.

Abstract: A Personal Computer Memory Card International Association (PCMCIA) card is disclosed. The PCMCIA card may include a cryptographic module, a communications interface, and a processor. The cryptographic module may perform Type 1 encryption of data received from a computer into which the card is inserted. The cryptographic module may support High Assurance Internet Protocol Encryption (HAIPE). The communications interface may provide connectivity to a network adapter. The communications interface may include a Universal Serial Bus (USB) interface. The processor may detect whether a network adapter is coupled to the communications interface, identify a device driver that corresponds to the network adapter, and employ the device driver to provide operative communication between the cryptographic module and the network adapter. The PCMCIA card may contain a datastore that maintains a plurality device drivers. For example, the plurality of device drivers support any one of IEEE 802.x, Ethernet, V.

Abstract: A Personal Computer Memory Card International Association (PCMCIA) card is disclosed. The PCMCIA card may include a cryptographic module, a communications interface, and a processor. The cryptographic module may perform Type 1 encryption of data received from a computer into which the card is inserted. The cryptographic module may support High Assurance Internet Protocol Encryption (HAIPE). The communications interface may provide connectivity to a network adapter. The communications interface may include a Universal Serial Bus (USB) interface. The processor may detect whether a network adapter is coupled to the communications interface, identify a device driver that corresponds to the network adapter, and employ the device driver to provide operative communication between the cryptographic module and the network adapter. The PCMCIA card may contain a datastore that maintains a plurality device drivers. For example, the plurality of device drivers support any one of IEEE 802.x, Ethernet, V.

Abstract: A magnetic signature minesweeping device (10) comprising a water driven turbine power generator (12) and a superconducting material magnet (14), wherein the turbine power generator is arranged, in use, to supply a driving current for the superconducting material magnet (14) when the minesweeping device is towed through the water. In a further embodiment a control unit (24) is arranged, in use, to control the magnetic output of the superconducting magnet (14) and the power output of the turbine power generator (12). Further more a method of minesweeping using the device (10), and an array of the devices (10) is disclosed.