Abstract: A spatial event map system including server-side data processor that maintains a spatial event map which locates events in a workspace. The spatial event map includes a log of events, entries in the log having a location of an object of the event in the workspace and a time. The system includes logic to send messages including a location of an object of the event in the workspace and a time of the event to client-side network nodes; and to receive messages identifying events that create or modify an object, and to add corresponding entries to the log of events. The events can include history events that are sent to the other client-side network nodes, and added to the log for the corresponding history events, and ephemeral events that are sent to other client-side network nodes without adding corresponding entries in the log.

Abstract: A spatial event map system including server-side data processor that maintains a spatial event map which locates events in a workspace. The spatial event map includes a log of events, entries in the log having a location of an object of the event in the workspace and a time. The system includes logic to send messages including a location of an object of the event in the workspace and a time of the event to client-side network nodes; and to receive messages identifying events that create or modify an object, and to add corresponding entries to the log of events. The events can include history events that are sent to the other client-side network nodes, and added to the log for the corresponding history events, and ephemeral events that are sent to other client-side network nodes without adding corresponding entries in the log.

Abstract: A spatial event map system including server-side data processor that maintains a spatial event map which locates events in a workspace. The spatial event map includes a log of events, entries in the log having a location of an object of the event in the workspace and a time. The system includes logic to send messages including a location of an object of the event in the workspace and a time of the event to client-side network nodes; and to receive messages identifying events that create or modify an object, and to add corresponding entries to the log of events. The events can include history events that are sent to the other client-side network nodes, and added to the log for the corresponding history events, and ephemeral events that are sent to other client-side network nodes without adding corresponding entries in the log.

Abstract: A spatial event map system including server-side data processor that maintains a spatial event map which locates events in a workspace. The spatial event map includes a log of events, entries in the log having a location of an object of the event in the workspace and a time. The system includes logic to send messages including a location of an object of the event in the workspace and a time of the event to client-side network nodes; and to receive messages identifying events that create or modify an object, and to add corresponding entries to the log of events. The events can include history events that are sent to the other client-side network nodes, and added to the log for the corresponding history events, and ephemeral events that are sent to other client-side network nodes without adding corresponding entries in the log.

Abstract: A spatial event map system including server-side data processor that maintains a spatial event map which locates events in a workspace. The spatial event map includes a log of events, entries in the log having a location of an object of the event in the workspace and a time. The system includes logic to send messages including a location of an object of the event in the workspace and a time of the event to client-side network nodes; and to receive messages identifying events that create or modify an object, and to add corresponding entries to the log of events. The events can include history events that are sent to the other client-side network nodes, and added to the log for the corresponding history events, and ephemeral events that are sent to other client-side network nodes without adding corresponding entries in the log.

Abstract: A spatial event map system including server-side data processor that maintains a spatial event map which locates events in a workspace. The spatial event map includes a log of events, entries in the log having a location of an object of the event in the workspace and a time. The system includes logic to send messages including a location of an object of the event in the workspace and a time of the event to client-side network nodes; and to receive messages identifying events that create or modify an object, and to add corresponding entries to the log of events. The events can include history events that are sent to the other client-side network nodes, and added to the log for the corresponding history events, and ephemeral events that are sent to other client-side network nodes without adding corresponding entries in the log.

Abstract: A spatial event map system including server-side data processor that maintains a spatial event map which locates events in a workspace. The spatial event map includes a log of events, entries in the log having a location of a graphical target of the event in the workspace and a time. The system includes logic to send messages including an event, a location of a graphical target of the event in the workspace and a time, to client-side network nodes; and to receive messages identifying events that create or modify a graphical target, and to add corresponding entries to the log of events. The events can include history events that are sent to the other client-side network nodes, and added to the log for the corresponding history events, and ephemeral events that are sent to other client-side network nodes without adding corresponding entries in the log.

Abstract: A spatial event map system including server-side data processor that maintains a spatial event map which locates events in a workspace. The spatial event map includes a log of events, entries in the log having a location of a graphical target of the event in the workspace and a time. The system includes logic to send messages including an event, a location of a graphical target of the event in the workspace and a time, to client-side network nodes; and to receive messages identifying events that create or modify a graphical target, and to add corresponding entries to the log of events. The events can include history events that are sent to the other client-side network nodes, and added to the log for the corresponding history events, and ephemeral events that are sent to other client-side network nodes without adding corresponding entries in the log.

Abstract: A spatial event map system including server-side data processor that maintains a spatial event map which locates events in a workspace. The spatial event map includes a log of events, entries in the log having a location of a graphical target of the event in the workspace and a time. The system includes logic to send messages including an event, a location of a graphical target of the event in the workspace and a time, to client-side network nodes; and to receive messages identifying events that create or modify a graphical target, and to add corresponding entries to the log of events. The events can include history events that are sent to the other client-side network nodes, and added to the log for the corresponding history events, and ephemeral events that are sent to other client-side network nodes without adding corresponding entries in the log.

Abstract: A database system supports live record invalidation at one or more client systems. As client system request database resources such as data objects from the database system, the database system registers entries at an object user map that indicates which objects are active and what client systems are viewing such objects. If one of the objects is changed, the database server utilizes the object user map to identify other client systems that are viewing the changed record. The database server may transmit change event indications to the client systems, and the client systems can request the updated data corresponding to the updated object.

Abstract: A method and system may be provided to predict student growth and achievement based on growth metrics of one or more teachers. Multiple growth metrics may be provided for a single teacher to allow for multiple growth rates for different types of students at different levels. Predicted growth and achievement may be used as a basis for optimizing a school class schedule or for helping one or more students choose a teacher or school.

Abstract: A spatial event map system including server-side data processor that maintains a spatial event map which locates events in a workspace. The spatial event map includes a log of events, entries in the log having a location of a graphical target of the event in the workspace and a time. The system includes logic to send messages including an event, a location of a graphical target of the event in the workspace and a time, to client-side network nodes; and to receive messages identifying events that create or modify a graphical target, and to add corresponding entries to the log of events. The events can include history events that are sent to the other client-side network nodes, and added to the log for the corresponding history events, and ephemeral events that are sent to other client-side network nodes without adding corresponding entries in the log.

Abstract: A spatial event map system including server-side data processor that maintains a spatial event map which locates events in a workspace. The spatial event map includes a log of events, entries in the log having a location of a graphical target of the event in the workspace and a time. The system includes logic to send messages including an event, a location of a graphical target of the event in the workspace and a time, to client-side network nodes; and to receive messages identifying events that create or modify a graphical target, and to add corresponding entries to the log of events. The events can include history events that are sent to the other client-side network nodes, and added to the log for the corresponding history events, and ephemeral events that are sent to other client-side network nodes without adding corresponding entries in the log.

Abstract: A system for whiteboard collaboration utilizes an array of displays for a whiteboard canvas. The displays in the array being coupled with a computer system having a communication module and memory storing collaboration data for at least one collaboration having a collaboration space. The array has a display area mapped to corresponding area in the collaboration space. The collaboration data includes data structures identifying displayable objects and associating a location in the collaboration space with the objects identified by the data structures. The computer system includes a display client for each display in the array. Each display client is configured to manage display of a predetermined portion of the display area, and for receiving and transmitting messages related to global collaboration events and for receiving and transmitting messages related to local array events.

Abstract: A computer system has access to a database storing collaboration data for at least one collaboration having a collaboration space. The collaboration data includes data structures identifying objects displayable by a display client on a display wall and associating locations in the collaboration space with the objects. The system includes logic configured to identify available display walls, each available wall having an identification code; logic to detect user input identifying a collaboration and an identification code for one of the free display walls; and logic to enable delivery of collaboration data for the identified collaboration to a display client for the identified display wall.

Abstract: A spatial event map system including server-side data processor that maintains a spatial event map which locates events in a workspace. The spatial event map includes a log of events, entries in the log having a location of a graphical target of the event in the workspace and a time. The system includes logic to send messages including an event, a location of a graphical target of the event in the workspace and a time, to client-side network nodes; and to receive messages identifying events that create or modify a graphical target, and to add corresponding entries to the log of events. The events can include history events that are sent to the other client-side network nodes, and added to the log for the corresponding history events, and ephemeral events that are sent to other client-side network nodes without adding corresponding entries in the log.

Abstract: A computer system has access to a database storing collaboration data for at least one collaboration having a collaboration space. The collaboration data includes data structures identifying objects displayable by a display client on a display wall and associating locations in the collaboration space with the objects. The system includes logic configured to identify available display walls, each available wall having an identification code; logic to detect user input identifying a collaboration and an identification code for one of the free display walls; and logic to enable delivery of collaboration data for the identified collaboration to a display client for the identified display wall.