Abstract: Systems, methods and instructions for creating building models of physical structures is disclosed. The building model may be a collection of floors defined by outlines containing regions that may be offset relative to a main region, and a collection of connectors. Connectors may have connection points for tracking, routing and sizing. Connectors may indicate elevation changes through georeferenced structural features. Signal elements may also be features that provide corrections when tracking. Feature descriptors are data that describes the structural configuration and signal elements enabling them to be matched to previously collected data in a database. User interface elements assist a user of a tracking device in collecting floor information, structural features and signal features and validating certain collected information based on previously known information. The height of floors may also be inferred based on sensor data from the tracking device.

Abstract: The present invention provides a method for promoting the survival and/or expansion of hematopoietic stem cells in culture, comprising culturing the cells in a culture including an effective amount of a mpl ligand, (particularly thrombopoietin), a flt3 ligand and interleukin 6 (IL6). Also provided is a method for modifying hematopoietic stem cells comprising contacting a gene delivery vehicle comprising a polynucleotide sequence with a population of hematopoietic stem cells cultured in the presence of an effective amount of thrombopoietin and a flt3 ligand. Additionally methods of restoring hematopoietic capability in a subject are claimed.

Abstract: A data structure for tabular data arranged in rows and columns. The data structure includes a header portion including a generic columnar processing information table, and a data portion for storing data in rows, the data portion further identifying a table containing generic columnar processing information to be used in processing selected cells in the row. In a refinement, each row in the data structure includes a row header including a row number and at least one cell, the row number identifying a row in a table for the cell. As a further refinement, each cell includes a header portion and a value portion, the header portion containing a cell number identifying a column in a table for the cell.

Abstract: A data structure for tabular data arranged in rows and columns. The data structure includes a header portion including a generic columnar processing information table, and a data portion for storing data in rows, the data portion further identifying a table containing generic columnar processing information to be used in processing selected cells in the row. In a refinement, each row in the data structure includes a row header including a row number and at least one cell, the row number identifying a row in a table for the cell. As a further refinement, each cell includes a header portion and a value portion, the header portion containing a cell number identifying a column in a table for the cell.